Trifluoroacetic acid → HCID 67431541, compound

HRID 1971364Notes

Reaction equation

HRID 1971364 reaction equation
C(OC(N1C(C)C2C(O[C:19]3[CH:20]=[C:21]4[C:25](=[CH:26][CH:27]=3)[N:24]([C:28](=[O:40])[NH:29][C:30]3[CH:35]=[CH:34][CH:33]=[C:32]([C:36]([F:39])([F:38])[F:37])[CH:31]=3)[CH:23]=[CH:22]4)=NC=NC=2C1)=O)(C)(C)C.C(O)(C(F)(F)F)=O>C(Cl)Cl>[F:39][C:36]([F:37])([F:38])[C:32]1[CH:31]=[C:30]([NH:29][C:28]([N:24]2[C:25]3[C:21](=[CH:20][CH:19]=[CH:27][CH:26]=3)[CH:22]=[CH:23]2)=[O:40])[CH:35]=[CH:34][CH:33]=1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 593944775-methyl-4-[1-(3-trifluoromethyl-phenylcarbamoyl)-1H-indol-5-yloxy]-5,7-dihydro-pyrrolo[3,4-d]pyrimidine-6-carboxylic acid tert-butyl ester

Product 1

HCID 67431541HCID 67431541, compound

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 5-methyl-4-[1-(3-trifluoromethyl-phenylcarbamoyl)-1H-indol-5-yloxy]-5,7-dihydro-pyrrolo[3,4-d]pyrimidine-6-carboxylic acid tert-butyl ester in DCM (20 mL), TFA (20 ml, 134 mmol) is added at 0° C. After 30 min the reaction is warmed to rt. At this point, the reaction is evaporated and the crude product is dissolved in EtOAc. A Few drops of NH4OH are added to freebase the amine and the whole mixture is then evaporated. The crude product is added to a silica gel column and is eluted with DCM/MeOH/NH4OH (100:0:0 to 93:6:1) to give racemic 545-Methyl-6,7-dihydro-5H-pyrrolo[3,4-a]pyrimidin-4-yloxy)-indole-1-carboxylic acid (3-trifluoromethyl-phenyl)-amide. MS (ESI) m/z 454.9 (M+1); 1H NMR (400 MHz, MeOD) δ ppm 8.50 (s, 1 H) 8.33 (s, 1 H) 8.06 (s, 1 H) 7.94 (br. S., 2 H) 7.57 (s, 1 H) 7.42 (br. S., 2 H) 7.12 (d, J=9.09 Hz, 1 H) 6.75 (d, J=3.03 Hz, 1 H) 4.70 (br. S., 1 H) 4.10-4.22 (m, 2 H) 1.60 (d, J=6.57 Hz, 3 H). Racemate is then separated using chiral HPLC (IA column; 40% heptane, 60% Ethanol) to give the corresponding enantiomers D-1 and D-2.

Workup

  1. customAt this point, the reaction is evaporated
  2. dissolutionthe crude product is dissolved in EtOAc
  3. additionA Few drops of NH4OH are added
  4. customthe whole mixture is then evaporated
  5. additionThe crude product is added to a silica gel column
  6. washis eluted with DCM/MeOH/NH4OH (100:0:0 to 93:6:1)

Sources & evidence

ORD record
ord-87f10f35850c4769ae6c09b601409bb5
Source dataset
uspto-grants-2013_04
Patent number
US08431584B2

Reaction notes

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