Acetone → tert-butyl N-[4-[[[(6S)-4-oxo-3-(propan-2-ylamino)-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamate

HRID 10959Notes

Reaction equation

HRID 10959 reaction equation
[C:1]([O:5][C:6](=[O:38])[NH:7][C:8]([C:10]1[CH:15]=[CH:14][C:13]([CH2:16][NH:17][C:18]([C@H:20]2[N:24]3[C:25](=[O:37])[C:26]([NH:29][CH2:30][C:31]4C=CC=CC=4)=[CH:27][N:28]=[C:23]3[CH2:22][CH2:21]2)=[O:19])=[CH:12][CH:11]=1)=[NH:9])([CH3:4])([CH3:3])[CH3:2].[C:39](OC(=O)NC(C1C=CC(CNC([C@H]2N3C(=O)C(N)=CN=C3CC2)=O)=CC=1)=N)(C)(C)C.CC(C)=O.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>>[C:1]([O:5][C:6](=[O:38])[NH:7][C:8]([C:10]1[CH:11]=[CH:12][C:13]([CH2:16][NH:17][C:18]([C@H:20]2[N:24]3[C:25](=[O:37])[C:26]([NH:29][CH:30]([CH3:39])[CH3:31])=[CH:27][N:28]=[C:23]3[CH2:22][CH2:21]2)=[O:19])=[CH:14][CH:15]=1)=[NH:9])([CH3:4])([CH3:3])[CH3:2]

Participants

5

Reactant 4

HCID 180AcetoneHCID 5049666Sodium triacetoxyborohydrideHCID 145857226tert-butyl N-[4-[[[(6S)-3-amino-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamateHCID 145857234tert-butyl N-[4-[[[(6S)-3-(benzylamino)-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamate

Product 1

HCID 145857212tert-butyl N-[4-[[[(6S)-4-oxo-3-(propan-2-ylamino)-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamateYield 65%

Procedure

Following a procedure similar to that for the preparation of intermediate 1k, intermediate 1j (60 mg, 0.14 mmol), acetone (97.6 mg, 1.68 mmol) and NaBH(OAc)3 (385.7 mg, 1.82 mmol) yielded 43 mg (65%) of intermediate 4a. MS (ESI) 469.1 (M+H+).

Sources & evidence

ORD record
ord-cd4dd8bceef24f458c22091fe1e77ead
Source dataset
uspto-grants-2006_08
Patent number
US07094783B2

Reaction notes

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