Trifluoroacetic acid → methyl (7S)-14-cyclohexyl-7-({1-[2-(methylamino)ethyl]pyrrolidin-2-yl}methoxy)-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylate

HRID 1669452Notes

Reaction equation

HRID 1669452 reaction equation
C(O[C:6]([N:8](C)[CH2:9][CH2:10][N:11]1[CH2:15][CH2:14][CH2:13][CH:12]1[CH2:16][O:17][C@H:18]1[CH2:25][N:24]2[C:26]3[CH:27]=[C:28]([C:39]([O:41][CH3:42])=[O:40])[CH:29]=[CH:30][C:31]=3[C:32]([CH:33]3[CH2:38][CH2:37][CH2:36][CH2:35][CH2:34]3)=[C:23]2[C:22]2[CH:43]=[CH:44][CH:45]=[CH:46][C:21]=2[O:20][CH2:19]1)=O)(C)(C)C.C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH:33]1([C:32]2[C:31]3[CH:30]=[CH:29][C:28]([C:39]([O:41][CH3:42])=[O:40])=[CH:27][C:26]=3[N:24]3[C:23]=2[C:22]2[CH:43]=[CH:44][CH:45]=[CH:46][C:21]=2[O:20][CH2:19][C@@H:18]([O:17][CH2:16][CH:12]2[CH2:13][CH2:14][CH2:15][N:11]2[CH2:10][CH2:9][NH:8][CH3:6])[CH2:25]3)[CH2:34][CH2:35][CH2:36][CH2:37][CH2:38]1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 67344077methyl (7S)-7-[(1-{2-[(tert-butoxycarbonyl)(methyl)amino]ethyl}pyrrolidin-2-yl)methoxy]-14-cyclohexyl-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylate

Product 1

HCID 67344987methyl (7S)-14-cyclohexyl-7-({1-[2-(methylamino)ethyl]pyrrolidin-2-yl}methoxy)-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylateYield 82%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

A solution of methyl (7S)-7-[(1-{2-[(tert-butoxycarbonyl)(methyl)amino]ethyl}pyrrolidin-2-yl)methoxy]-14-cyclohexyl-7,8-dihydro-6H-indolo[1,2-e][1,5]benzoxazocine-11-carboxylate (0.06 M) in DCM was treated with an excess of TFA (>50 eq). The mixture was stirred at RT for 2 h. Volatiles were removed in vacuo and the residue partitioned between EtOAc and sat. aq. NaHCO3. The aqueous was extracted with EtOAc and the organics combined, washed with brine, dried (Na2SO4), filtered and concentrated in vacuo to afford the product (82%). The material was taken on without further purification. (ES+) m/z 546 (M+H)+.

Workup

  1. customVolatiles were removed in vacuo
  2. customthe residue partitioned between EtOAc and sat. aq. NaHCO3
  3. extractionThe aqueous was extracted with EtOAc
  4. washwashed with brine
  5. dry with materialdried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-3fc2fce0989740569f5fd274b1901b71
Source dataset
uspto-grants-2011_08
Patent number
US07989438B2

Reaction notes

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