Homoveratrylamine → rac-(2R,3R,4R,5S)-3-(3-chloro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid 2-(3,4-dimethoxy-phenyl)ethyl amide

HRID 1806703Notes

Reaction equation

HRID 1806703 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]2[C:12]([C:15]3[CH:20]=[CH:19][C:18]([Cl:21])=[CH:17][CH:16]=3)([C:13]#[N:14])[CH:11]([CH2:22][C:23]([CH3:26])([CH3:25])[CH3:24])[NH:10][CH:9]2[C:27](O)=[O:28])[CH:5]=[CH:6][CH:7]=1.[CH3:30][O:31][C:32]1[CH:33]=[C:34]([CH2:40][CH2:41][NH2:42])[CH:35]=[CH:36][C:37]=1[O:38][CH3:39].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)Cl>[CH3:30][O:31][C:32]1[CH:33]=[C:34]([CH2:40][CH2:41][NH:42][C:27]([CH:9]2[CH:8]([C:4]3[CH:5]=[CH:6][CH:7]=[C:2]([Cl:1])[CH:3]=3)[C:12]([C:15]3[CH:16]=[CH:17][C:18]([Cl:21])=[CH:19][CH:20]=3)([C:13]#[N:14])[CH:11]([CH2:22][C:23]([CH3:26])([CH3:25])[CH3:24])[NH:10]2)=[O:28])[CH:35]=[CH:36][C:37]=1[O:38][CH3:39]

Participants

6

Reactant 4

HCID 8421HomoveratrylamineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 67296837rac-(2R,3R,4R,5S)-3-(3-chloro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid

Product 1

HCID 67296985rac-(2R,3R,4R,5S)-3-(3-chloro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid 2-(3,4-dimethoxy-phenyl)ethyl amideYield 45.1%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

In a manner similar to the method described in Example 1e, rac-(2R,3R,4R,5S)-3-(3-chloro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid (86.2 mg, 0.2 mmol) prepared in Example 1d was reacted with 2-(3,4-dimethoxy-phenyl)ethyl amine (30.3 mg, 0.3 mmol), HATU (76 mg, 0.2 mmol) and iPr2NEt (0.1 mL, 0.55 mmol) in CH2Cl2 (2 mL) to at rt overnight to give rac-(2R,3R,4R,5S)-3-(3-chloro-phenyl)-4-(4-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid 2-(3,4-dimethoxy-phenyl)ethyl amide (53.6 mg, 45.07%).

Sources & evidence

ORD record
ord-c4730bd96a04408e9dacf41349f44f2d
Source dataset
uspto-grants-2013_01
Patent number
US08354444B2

Reaction notes

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