(4aS,9bR)-8-bromo-5-methyl-6-trifluoromethyl-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indole-2-carboxylic acid tert-butyl ester → (4aS,9bR)-8-isobutyl-5-methyl-6-trifluoromethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole

HRID 2215912Notes

Reaction equation

HRID 2215912 reaction equation
C(OC([N:8]1[CH2:26][CH2:25][C@@H:11]2[N:12]([CH3:24])[C:13]3[C:14]([C:20]([F:23])([F:22])[F:21])=[CH:15][C:16](Br)=[CH:17][C:18]=3[C@@H:10]2[CH2:9]1)=O)(C)(C)C.[Br-].[CH2:28]([Zn+])[CH:29]([CH3:31])[CH3:30]>>[CH2:28]([C:16]1[CH:15]=[C:14]([C:20]([F:22])([F:21])[F:23])[C:13]2[N:12]([CH3:24])[C@H:11]3[CH2:25][CH2:26][NH:8][CH2:9][C@H:10]3[C:18]=2[CH:17]=1)[CH:29]([CH3:31])[CH3:30]

Participants

3

Reactant 2

HCID 67182365(4aS,9bR)-8-bromo-5-methyl-6-trifluoromethyl-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indole-2-carboxylic acid tert-butyl esterHCID 178448254HCID 178448254, compound

Product 1

HCID 58700347(4aS,9bR)-8-isobutyl-5-methyl-6-trifluoromethyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole

Procedure

The title compound was prepared by following the general coupling procedure as a colorless oil from (4aS,9bR)-8-bromo-5-methyl-6-trifluoromethyl-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indole-2-carboxylic acid tert-butyl ester (Example 45) and iso-butyl zinc bromide. MS (ES+): 313 (base, M+H).

Sources & evidence

ORD record
ord-f95b5cc758b740438858f20b50907ec0
Source dataset
uspto-grants-2006_09
Patent number
US07109339B2

Reaction notes

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