2-(Trifluoromethyl)benzeneboronic acid → tert-butyl (6aS,10aR)-2-[2-(trifluoromethyl)phenyl]4,5,7,8,10,10a-hexahydropyrido[4,3-b]pyrrolo[3,2,1-hi]indole-9(6aH)-carboxylate

HRID 1266081Notes

Reaction equation

HRID 1266081 reaction equation
Br[C:2]1[CH:3]=[C:4]2[C:8]3=[C:9]([CH2:11][CH2:12][N:7]3[C@H:6]3[CH2:13][CH2:14][N:15]([C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[CH2:16][C@@H:5]23)[CH:10]=1.[F:24][C:25]([F:36])([F:35])[C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=1B(O)O>>[F:24][C:25]([F:36])([F:35])[C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=1[C:2]1[CH:3]=[C:4]2[C:8]3=[C:9]([CH2:11][CH2:12][N:7]3[C@H:6]3[CH2:13][CH2:14][N:15]([C:17]([O:19][C:20]([CH3:21])([CH3:22])[CH3:23])=[O:18])[CH2:16][C@@H:5]23)[CH:10]=1

Participants

3

Reactant 2

HCID 27343872-(Trifluoromethyl)benzeneboronic acidHCID 20577007Tert-butyl (6aS,10aR)-2-bromo-4,5,7,8,10,10a-hexahydropyrido[4,3-b]pyrrolo[3,2,1-hi]indole-9(6aH)carboxylate

Product 1

HCID 10003579tert-butyl (6aS,10aR)-2-[2-(trifluoromethyl)phenyl]4,5,7,8,10,10a-hexahydropyrido[4,3-b]pyrrolo[3,2,1-hi]indole-9(6aH)-carboxylate

Procedure

The title compound was prepared by the method of Example 89 step C from tert-butyl (6aS,10aR)-2-bromo-4,5,7,8,10,10a-hexahydropyrido[4,3-b]pyrrolo[3,2,1-hi]indole-9(6aH) carboxylate (189 mg, 0.5 mmol) and 2-(trifluoromethyl)phenylboronic acid (190 mg, 1.0 mmol) to afford after chromatographic purification the title compound (175 mg, 79%). 1H NMR (CDCl3, 300 MHz) δ7.69 (d, 1H, J=7.7 Hz), 7.50 (dd, 1H, J=7.3, 7.7 Hz), 7.40 (dd, 1H, J=7.7, 7.3 Hz), 7.31 (d, 1H, J=7.3 Hz), 6.89 (s, 1H), 6.85 (s, 1H), 3.82-4.30 (m, 2H), 3.66-3.71 (m, 1H), 2.88-3.50 (m, 7H), 1.80-1.90 (m, 2H), 1.47 (s, 9H) ppm. MS-ApCI: 445 [M+H+].

Workup

  1. customto afford
  2. customafter chromatographic purification the title compound (175 mg, 79%)

Sources & evidence

ORD record
ord-f1cc23fdd78f4ac28e943abe13130ae7
Source dataset
uspto-grants-2003_04
Patent number
US06548493B1

Reaction notes

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