Reaktion #11059

ord-2b5f62a93bc94fccbdf6fca3d3a407e6

Reaktionsgleichung

CC(C)(C)OC(=O)NC(=N)c1ccc(CNC(=O)[C@@H]2CCc3ncc(NCc4ccccc4)c(=O)n32)cc1
intermediate 1k
CC(C)(C)OC(=O)NC(=N)c1ccc(CNC(=O)[C@@H]2CCc3ncc(NCc4ccccc4)c(=O)n32)cc1
(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
CC(C)(C)OC(=O)NC(=N)c1ccc(CNC(=O)[C@@H]2CCc3ncc(N)c(=O)n32)cc1
intermediate 1j
CC(C)(C)OC(=O)NC(=N)c1ccc(CNC(=O)[C@@H]2CCc3ncc(N)c(=O)n32)cc1
(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
CCC=O
propionaldehyde
CC(=O)O[BH-](OC(C)=O)OC(C)=O.[Na+]
NaBH(OAc)3
CCCNc1cnc2n(c1=O)[C@H](C(=O)NCc1ccc(C(=N)NC(=O)OC(C)(C)C)cc1)CC2
intermediate 8a
Ausbeute 46.0%
CCCNc1cnc2n(c1=O)[C@H](C(=O)NCc1ccc(C(=N)NC(=O)OC(C)(C)C)cc1)CC2
(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
Ausbeute 46.0%

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

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+).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07094783B2uspto-grants-2006_08