4-Phenylpiperidine → 5,7-dimethoxy-4-methyl-3-[2-(4-phenyl-1-piperidinyl)ethyl]-2H-1-benzopyran-2-one

HRID 1078588Notes

Reaction equation

HRID 1078588 reaction equation
CS(O[CH2:6][CH2:7][C:8]1[C:9](=[O:23])[O:10][C:11]2[CH:18]=[C:17]([O:19][CH3:20])[CH:16]=[C:15]([O:21][CH3:22])[C:12]=2[C:13]=1[CH3:14])(=O)=O.[C:24]1([CH:30]2[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]2)[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1>>[CH3:22][O:21][C:15]1[C:12]2[C:13]([CH3:14])=[C:8]([CH2:7][CH2:6][N:33]3[CH2:34][CH2:35][CH:30]([C:24]4[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=4)[CH2:31][CH2:32]3)[C:9](=[O:23])[O:10][C:11]=2[CH:18]=[C:17]([O:19][CH3:20])[CH:16]=1

Participants

3

Procedure

Process B; starting materials: 3-[2-(methanesulphonyloxy)ethyl]-5,7-dimethoxy-4-methyl-2H-1-benzopyran-2-one (Example 35) and 4-phenylpiperidine; yield 18% of crude crystalline product.

Sources & evidence

ORD record
ord-73ade0d31fb74861b7a292ff66b47650
Source dataset
uspto-grants-1996_08
Patent number
US05550129

Reaction notes

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