Reaction #11059
ord-2b5f62a93bc94fccbdf6fca3d3a407e6
Reaction equation
intermediate 1k
(6S)-[(4-{[(3-benzylamino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester
intermediate 1j
(S)-[(4-{[(3-amino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester
propionaldehyde
NaBH(OAc)3
→
intermediate 8a
Yield 46.0%
(S)-[(4-{[(3-propylamino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester
Yield 46.0%
Reactants
intermediate 1k
(6S)-[(4-{[(3-benzylamino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester
intermediate 1j
(S)-[(4-{[(3-amino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carbonyl)-amino]-methyl}-phenyl)-imino-methyl]-carbamic acid tert-butyl ester
propionaldehyde
NaBH(OAc)3
Reagents
None
Conditions
Detailed conditions
See reaction.notes.procedure_details.
Procedure
Following a procedure similar to that for the preparation of intermediate 1k, intermediate 1j (100 mg, 0.234 mmol), propionaldehyde (15 mg, 0.258 mmol) and NaBH(OAc)3 (74.5 mg, 0.352 mmol) yielded 50.9 mg (46%) of intermediate 8a. MS (ESI) 469.1 (M+H+).