Category: chiral-nitrogen-ligands

110-70-3, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. N1,N2-Dimethylethane-1,2-diamine, cas is 110-70-3,the chiral-nitrogen-ligands compound, it is a common compound, a new synthetic route is introduced below.

2, phosphorus trichloride (27.5g, 0.2mol) and triethylamine (40.5g, 0.4mol) was dissolved in 200mL n-hexane, the solution was placed in an ice water bath cooled to 0-5 C;N,N-dimethylethylenediamine (17.6 g, 0.2 mol) was slowly added dropwise to the solution under stirring.Hexane solution; after the addition is complete, the ice water bath is removed, and the temperature is naturally raised to room temperature, continue to react 4h; reaction is over, filter, collect the filtrate, after testing,Which contains the product of formula (III) wherein both R groups in formula (III) are methyl;

The chemical industry reduces the impact on the environment during synthesis,110-70-3,N1,N2-Dimethylethane-1,2-diamine,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; Wanhua Chemical Group Co., Ltd.; Lv Yingdong; Zhu Longlong; Liu Junxian; Song Mingyan; Xue Yongyong; Li Jinming; Zhang Tao; Li Yuan; (10 pag.)CN107915758; (2018); A;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

Name is N1,N2-Dimethylethane-1,2-diamine, as a common heterocyclic compound, it belongs to chiral-nitrogen-ligands compound, and cas is 110-70-3, its synthesis route is as follows.

Step. A: N-Methyl-N’-methyl-N’-t-butoxycarbonylethylenediamine A solution of 1 gram (4.58 mmole) of di-t-butyl-dicarbonate in 8 mL of CH2 Cl2 at 0 C. was treated with 0.98 mL (9.16 mmole) of N-methyl-N’-methylethylenediamine. After 20 min the cooling bath was removed and the mixture allowed to warm to 22 C. After 4 hours the mixture was concentrated in vacuo. The residue was purified by flash chromatography on 68 g silica gel eluding with 1 liter of 100:9:0.3 CH2 Cl2:MeOH: ammonia water, then 500 mL of 100:11:0.3 CH2 Cl2:MeOH: ammonia water to give 190 mg (22%) of a volatile oil.

110-70-3, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,110-70-3 ,N1,N2-Dimethylethane-1,2-diamine, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; Merck & Co., Inc.; US5344830; (1994); A;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

33527-91-2, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. Tris[2-(dimethylamino)ethyl]amine, cas is 33527-91-2,the chiral-nitrogen-ligands compound, it is a common compound, a new synthetic route is introduced below.

General procedure: The copper complex Cu5-1 was dissolved in water, and an excessive amount of an aqueous solution of saturated sodium tetrafluoroborate (manufactured by Wako Pure Chemical Industries, Ltd.) was added while stirring. A precipitated solid was collected by filtering and a copper complex Cu5-72 was obtained.

The chemical industry reduces the impact on the environment during synthesis,33527-91-2,Tris[2-(dimethylamino)ethyl]amine,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; FUJIFILM Corporation; Sasaki, Kouitsu; Kawashima, Takashi; Hitomi, Seiichi; Shiraishi, Yasuharu; US10215898; (2019); B2;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

110-70-3, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. N1,N2-Dimethylethane-1,2-diamine, cas is 110-70-3,the chiral-nitrogen-ligands compound, it is a common compound, a new synthetic route is introduced below.

General procedure: CD-1 to CD-9 were synthesized according to the procedure reported in Ref. [18]; a representative synthesis is shown in Scheme 2. Nucleophilic substitution of mono(6-O-p- tolylsulfonyl)-beta-CD (6.4459 g, 5 mmol) with the corresponding amine (25 mmol) was performed by reaction in anhydrous dimethylformamide (DMF) at 80 C in a nitrogen atmospherefor 24.0 h, followed by cooling to room temperature. (S)-Prolinamide and (R)-prolinamide were reduced with LiAlH4 to (S)-2-aminomethylpyrrolidine and (R)-2- aminomethylpyrrolidine.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 110-70-3, N1,N2-Dimethylethane-1,2-diamine

Reference£º
Article; Zhu, Qingying; Shen, Haimin; Yang, Zhujin; Ji, Hongbing; Cuihua Xuebao/Chinese Journal of Catalysis; vol. 37; 8; (2016); p. 1227 – 1234;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

It is a common heterocyclic compound, the chiral-nitrogen-ligands compound, N1,N2-Dimethylethane-1,2-diamine, cas is 110-70-3 its synthesis route is as follows.

o-Anisaldehyde (10.0 g, 73.4 mmol, 1.0 equiv) was dissolved in EtOH (150 mL) at 25 CC, MAT-dimemylethylenediamine (8.70 mL, 80.8 mmol, 1.1 equiv) was added, and the reaction contents were stirred at 25 C for 24 h before being filtered through a pad of MgS04 and concentrated to afford the desired imidazolidine (15.0 g, 99% yield) as a white solid. Without any additional purification, this material (15.0 g, 72.8 mmol, 1.0 equiv) was dissolved in Et20 (250 mL) and cooled to -40 C. f-BuLi (1.7 M in pentane. 100 mL 170 mmol, 2.34 equiv) was then added dropwise over 1 h at -40 C. Upon completion, the resultant orange reaction contents were warmed slowly to -20 C. stirred for an additional 7 h, and then transferred by cannula over 5 min into a flask containing (CBrCl2)2 (55.3 g, 170 mmol, 2.34 equiv) in Et20 (250 mL) at 0 C. The reaction contents were then stirred for 12 h, during which time they were warmed to 25 C; upon completion, the solution was recooled to 0 C and 1 M HCI (500 mL) was added slowly. The resultant solution was stirred for 1 h at 0 C, quickly warmed to 25 C, and then quenched by the addition of water (500 mL). The reaction contents were then extracted with EtOAc (3 x 250 mL), and the combined organic extracts were washed with water (500 mL) and brine (250 mL). dried (MgSO-i), and 73 concentrated.’23’ The resultant crude yellow solid was purified by flash column chromatography (silica gel, hexanes EtOAc, 9/1) to give the desired brominated product 28 (8.12 g, 52% yield) as a white solid. This material (8.12 g, 37.8 mmol, 1.0 equiv) was suspended in MeOH (100 mL) at 25 C and cooled to 0 C. NaBHj (2.88g , 75.6 mmol, 2.0 equiv) was added portionwise and the reaction contents were stirred for 1 h at 0 C. Upon completion, the reaction contents were quenched with water (100 mL) and concentrated. The reaction contents were redissolved in EtOAc ( 100 mL), poured into water (100 mL), and extracted with EtOAc (3 x 50 mL). The combined organic extracts were washed with water ( 150 mL) and brine (50 mL), dried (MgSO- , and concentrated to afford the desired alcohol (7.83 g, 96%) as a white solid. Pressing forward without any additional purification, this newly prepared material (7.83 g, 36.1 mmol, 1.0 equiv) was dissolved in EtjO (180 mL) and pyridine (0.437 mL, 5.41 mmol, 0.15 equiv) and PBr^ (3.41 mL, 36.1 mmol, 1.0 equiv) were added sequentially at 25 C. The reaction contents were then stirred for 4 h at 25 C. Upon completion, the reaction contents were quenched by the addition of water (100 mL), poured into water ( 100 ml), and extracted with EtOAc (3 x 150 mL). The combined organic extracts were washed with water (200 mL) and brine (100 mL), dried (MgS04), and concentrated to give the desired bromide (10.0 g, 99%) as a white solid. [Note: This product quickly decomposes on standing once it is neat and should be carried forward immediately. | Finally, KHMDS (0.5 M in toluene, 129 mL, 64.5 mmol, 1.8 equiv) was added to a solution of diethyl phosphite (9.19 mL, 71.4 mmol, 2.0 equiv) in THF (100 mL) at 0 C and stirred for 15 min. To this solution was added dropwise a solution of the freshly prepared bromide (10.0 g, 35.7 mmol, 1.0 equiv) dissolved in THF (100 mL), and the reaction contents were stirred for 12 h with slow warming to 25 C. Upon completion, the reaction contents were quenched with saturated NH4CI (150 mL), poured into water (150 mL), and extracted with EtOAc (3 x 150 mL). The combined organic extracts were washed with water (100 mL) and brine (100 mL), dried (MgS04), and concentrated to give the phosphonate 31 (10.79 g, 90%) as a colorless oil. 31: R/ = 0.21 (silica gel, EtOAc); IR (film) vmax 2981, 1589, 1572, 1466, 1435, 1267, 1082, 965, 864, 771 ; NMR (400 MHz, CDCI3) delta 7.18 (d, / = 8.0 Hz, 1 H), 7.07 (app dt, J = 8.0, 2.4 Hz, 1 H), 6.81 (d, J = 8.4 Hz, 1 H), 4.05 (dq, J = 7.2, 7.2 Hz, 4 H), 3.85 (s, 3 H), 3.50 (d, J = 22.0 Hz, 2 H), 1.26 (t, J = 7.2 Hz, 6 H); l3C NMR (75 MHz, CDCI3) delta 158.4 (d, J = 5.4 Hz). 128.6 (d, J = 3.8 Hz), 125.8 (d, J = 7.5 Hz), 125.0 (d, J = 3.5 Hz), 121.6 (d, J = 10.6 Hz), 109.4 (d, J = 3.4 Hz), 61.9 (d, J = 6.5 Hz), 55.9, 28.3 (d, J = 139.0 Hz), 16.3 (d, J = 6.4 Hz); HRMS (MALDI-FTMS) calcd for Ci2H|9BrP04+ [M + H*] 337.0204, found 337.0189

110-70-3, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,110-70-3 ,N1,N2-Dimethylethane-1,2-diamine, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK; SNYDER, Scott Alan; SHERWOOD, Trevor C.; ROSS, Audrey G.; OH, Hyunju; GHOSH, Sankar; WO2011/103442; (2011); A2;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

33527-91-2, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. Tris[2-(dimethylamino)ethyl]amine, cas is 33527-91-2,the chiral-nitrogen-ligands compound, it is a common compound, a new synthetic route is introduced below.

To a solution of tris(2-dimethylaminoethyl)amine (0.426 g, 1.85mmol) in acetonitrile (4 mL) was added 1-bromodecane (1.27 g, 5.73 mmol). Theresulting mixture was heated at reflux with stirring for 18 hours. After cooling, and the addition of hexanes (5 mL), a white solid precipitated, which was filtered with a Buchner funnel, transferring with a cold hexanes/acetone mixture (15 mL, 1:1). The solid was rinsed with a cold hexanes/acetone mixture (2O mL, 1:1), resulting in T10 10,10,10 (1.16 g, 70%) as a white powder; mp=223-248 C; ?H NMR (300 MHz,CDC13) oe 4.11-4.02 (m, 6H), 3.62-3.53 (m, 6H), 3.41-3.27 (m, 24H), 1.72-1.62 (m, 6H), 1.38-1.14 (m, 42H), 0.85-0.78 (m, 9H); ?3C NMR (75 MHz, CD3OD) oe 65.4,61.1, 50.2, 46.9, 31.6, 29.2, 29.0, 28.9, 26.1, 22.4, 22.3, 13.0; high resolution mass spectrum (ESI) m/z 217.9095 ([Mj3 calculated for [C42H93N4j3: 217.9128). See alsoYoshimura et al., 2012, Langmuir 28:9322-9331. ?H and ?3C NMR spectra of compound T-10,10,10 can be found in Figure 50.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of Tris[2-(dimethylamino)ethyl]amine, 33527-91-2

Reference£º
Patent; TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION; VILLANOVA UNIVERSITY; WUEST, William, M.; MINBIOLE, Kevin, P.C.; BARBAY, Deanna, L.; (227 pag.)WO2016/172436; (2016); A1;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

110-70-3, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. N1,N2-Dimethylethane-1,2-diamine, cas is 110-70-3,the chiral-nitrogen-ligands compound, it is a common compound, a new synthetic route is introduced below.

beta-CD-OTs (500.0 mg, 0.388 mmol) was dissolved in 5 mL dry DMF with 100 mg NaI. N,N?-Dimethylethane-1,2-diamine (1.28 mL, 11.72 mmol) was then added under N2 and the reaction mixture was stirred overnight at 70 C. under N2. The next day the reaction mixture was cooled and precipitated in 50 mL acetone, giving a white precipitate. Unreacted tosylate was removed via the same ion-exchange methods as described above for beta-CD-NH2. Yield=374 mg (80.0%). 1H NMR (300 MHz, D2O, delta): 5.02-4.87 (s, 7H, C1H of CD), 3.93-3.64 (m, 29H, C2H, C3H, C4H, and C5H of CD and NH), 3.61-3.29 (m, 14H, C6H of CD), 3.01-2.36 (m, 10H, N1-CH2, N2-CH2, and N2-(CH3)2).

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 110-70-3, N1,N2-Dimethylethane-1,2-diamine

Reference£º
Patent; Thompson, David H.; Kulkarni, Aditya; Deng, Wei; US2015/202323; (2015); A1;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

31886-58-5, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. (R)-(+)-N,N-Dimethyl-1-ferrocenylethylamine, cas is 31886-58-5,the chiral-nitrogen-ligands compound, it is a common compound, a new synthetic route is introduced below.

To a degassed solution of (R)-1 (662 mg, 2.57 mmol) in THF (3.2 mL) was added sec-BuLi (1.4 M in cyclohexane, 2 mL, 2.8 mmol) at 0 C. The resulting deep-red solution was stirred for an additional 3 h at the same temperature. To this reaction mixture was added a solution of ZnBr2 (1.3 M in THF, 2.38 mL, 3.09 mmol) at 0 C and stirring was continued at r.t. for 1 h. To a degassed solution of [Pd2dba3]¡¤CHCl3 (266 mg, 0.257 mmol) and tris(2,4-di-tert-butylphenyl)-phosphite (666 mg, 1.029 mmol) in THF (5.5 mL) was added a degassed solution of sulfide (S)- 4 (890 mg, 2.05 mmol) in THF (3 mL). The resulting dark purple solution was stirred for an additional 10 min at r.t. and was subsequently added dropwise to the previously prepared organozinc compound. The reaction mixture was heated to reflux under argon at 75 C for 18 h, and then cooled to r.t., quenched with H2O and extracted with ethyl acetate (3 ¡Á 200 mL). The combined organic layers were washed with brine (3 ¡Á 200 mL) and dried over MgSO4. The mixture was filtered, the solvent was evaporated and the crude product was purified by column chromatography (silica, PE/EE/NEt3 = 20/10/1). The product (R,SFc,RFc)- 5 was obtained as an orange foam (yield: 687 mg, 59%). M.p.: 58-61 C. 1H NMR (400 MHz, CDCl3): delta 1.37 (d, J = 6.8 Hz, 3H, CH3CH), 1.61 (s, 6H, N(CH3)2), 2.20 (s, 3H, Ph-CH3), 3.65 (q, J = 6.8 Hz, 1H, CH3CH), 4.11 (dd, J1 = 2.4 Hz, J2 = 1.4 Hz, 1H, H3), 4.27 (s, 5H, Cp?), 4.30 (dd, J1 = J2 = 2.4 Hz, 1H, H4), 4.35 (s, 5H, Cp?), 4.37 (dd, J1 = J2 = 2.5 Hz, 1H, H4?) 4.44 (dd, J1 = 2.5 Hz, J2 = 1.5 Hz, 1H, H3? 4.59 (dd, J1 = 2.5 Hz, J2 = 1.5 Hz, 1H, H5? 4.64 (dd, J1 = 2.4 Hz, J2 = 1.4 Hz, 1H, H5), 6.88 (d, J = 8.1 Hz, 2H, Ph-meta), 7.02 (d, J = 8.1 Hz, 2H, Ph-ortho). 13C{1H} NMR (100.6 MHz, CDCl3): delta 14.7 (CH3CH), 20.9 (Ph-CH3), 40.3 (2C, N(CH3)2), 55.4 (CH3CH), 66.1 (C4), 66.7 (C3), 67.9 (C4? 69.6 (5C, Cp’), 70.7 (5C, Cp?), 71.7 (C5? 72.4 (C5), 74.1 (C3? 89.8 (C2), 128.9 (2C, Ph-ortho), 129.1 (2C, Ph-meta), 135.1 (2C, Ph-ipso + Ph-para); 3 Cq (C1, C1? C2? were not observed. HR-MS (EI): m/z [M?]+ calcd. 563.1032 for C31H33Fe2NS; found: 563.1050. [alpha]lambda20 (nm): -660 (589), -746 (578), -1180 (546) (c 0.224, CHCl3).

The chemical industry reduces the impact on the environment during synthesis,31886-58-5,(R)-(+)-N,N-Dimethyl-1-ferrocenylethylamine,I believe this compound will play a more active role in future production and life.

Reference£º
Article; Gross, Manuela A.; Mereiter, Kurt; Wang, Yaping; Weissensteiner, Walter; Journal of Organometallic Chemistry; vol. 716; (2012); p. 32 – 38;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

It is a common heterocyclic compound, the chiral-nitrogen-ligands compound, Tris[2-(dimethylamino)ethyl]amine, cas is 33527-91-2 its synthesis route is as follows.

To a solution of tris(2-dimethylaminoethyl)amine (0.436 g, 1.89 mmol) in acetonitrile (4 mL) was added 1-bromooctane (1.20 g, 6.22 mmol). The resulting mixture was heated at reflux with stirring for 18 hours, during which time a white solid was observed. After cooling, and the addition of a cold hexanes/acetone mixture (15 mL, 1:1), to the reaction flask, the precipitate was filtered with aBuchner funnel, and rinsed with a cold hexanes/acetone mixture (20 mL, 1:1), resulting in T-8,8,8 (1.45 g, 95%) as a yellow-white wax; ?H NMR (300 MI-Tz, CDC13) oe 4.02-3.94 (m, 6H), 3.63-3.54 (m, 6H), 3.42-3.30 (m, 24H), 1.79-1.67 (m, 6H), 1.41-1.19 (m, 30H), 0.90-0.83 (m, 9H); ?3C NMR (75 MHz, CD3OD) oe 65.3,61.0, 50.1, 46.8, 31.5, 28.9, 26.1, 22.4, 22.3, 13.1; high resolution mass spectrum(ESI) m/z 189.8823 ([Mj3 calculated for [C36H8,N4j3: 189.8815). See also Yoshimura et al., 2012, Langmuir 28:9322-933 1. ?H and ?3C NMR spectra of compound T-8,8,8 can be found in Figure 49.

33527-91-2, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,33527-91-2 ,Tris[2-(dimethylamino)ethyl]amine, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION; VILLANOVA UNIVERSITY; WUEST, William, M.; MINBIOLE, Kevin, P.C.; BARBAY, Deanna, L.; (227 pag.)WO2016/172436; (2016); A1;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis

110-70-3, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. N1,N2-Dimethylethane-1,2-diamine, cas is 110-70-3,the chiral-nitrogen-ligands compound, it is a common compound, a new synthetic route is introduced below.

To a solution of compound 9-3 (10 g, 36.5 mmol) in EtOH was added dropwise compound 9-3-1 (39 mL, 365 mmol) under nitrogen atmosphere at 0 C., and then the reaction solution was stirred at 20 C. for 2 h, followed by concentration. The residue was purified by column chromatography to give the title compound 9-4 (yellow solid, 5.5 g, Yield 56%). 1H NMR (400 MHz, CDCl3): delta ppm 8.16 (d, J=8.8 Hz, 2H), 7.59 (d, J=8.8 Hz, 2H), 3.80 (s, 1H), 3.60-3.80 (m, 1H), 3.15-3.30 (m, 1H), 3.00-3.10 (m, 1H), 2.93 (s, 3H), 2.60-2.75 (m, 1H), 2.15 (s, 3H).

The chemical industry reduces the impact on the environment during synthesis,110-70-3,N1,N2-Dimethylethane-1,2-diamine,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; Hubei Bio-Pharmaceutical Industrial Technological Institute Inc.; Humanwell Healthcare (Group) Co., Ltd.; Wang, Xuehai; Wu, Chengde; Xu, Yong; Shen, Chunli; Li, Li’e; Hu, Guoping; Yue, Yang; Li, Jian; Guo, Diliang; Shi, Nengyang; Huang, Lu; Chen, Shuhui; Tu, Ronghua; Yang, Zhongwen; Zhang, Xuwen; Xiao, Qiang; Tian, Hua; Yu, Yanping; Chen, Hailiang; Sun, Wenjie; He, Zhenyu; Shen, Jie; Yang, Jing; Tang, Jing; Zhou, Wen; Yu, Jing; Zhang, Yi; Liu, Quan; (251 pag.)US2017/313683; (2017); A1;,
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis