Reacción #11084
ord-79a9dac262764605b237450889acef21
Ecuación de reacción
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
26a
(6S,8R)-alIyl-{8-amino-6-[4-(benzyloxycarbonylamino-imino-methyl)-benzylcarbamoyl]-8-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo [1,2-a]pyrimidin-3-yl}-carbamic acid benzyl ester
acetaldehyde
NaBH(OAc)3
→
26b
Rendimiento 54.0%
(6S,8R)-allyl-{6-[4-(benzyloxycarbonylamino-imino-methyl)-benzylcarbamoyl]-8-ethylamino-8-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidin-3-yl}-carbamic acid benzyl ester
Rendimiento 54.0%
Reactantes
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
26a
(6S,8R)-alIyl-{8-amino-6-[4-(benzyloxycarbonylamino-imino-methyl)-benzylcarbamoyl]-8-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo [1,2-a]pyrimidin-3-yl}-carbamic acid benzyl ester
acetaldehyde
NaBH(OAc)3
Reactivos
Ninguno
Condiciones de reacción
Condiciones detalladas
See reaction.notes.procedure_details.
Procedimiento
Following a procedure similar to that for the preparation of intermediate 1k, 26a (30.0 mg, 0.045 mmol), acetaldehyde (2.2 mg, 0.050 mmol) and NaBH(OAc)3 (14.4 mg, 0.068 mmol) yielded 16.9 mg (54%) of 26b. MS (ESI) 692.5 (M+H+).