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

HRID 10964

Reaktionsgleichung

Reaktionsgleichung von HRID 10964
[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]4[CH:36]=CC=C[CH:32]=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)([CH3:42])([CH3:41])[CH3:40].C(=O)C(C)C.[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:15]=[CH:14][C:13]([CH2:16][NH:17][C:18]([C@H:20]2[N:24]3[C:25](=[O:37])[C:26]([N:29]([CH2:40][CH:39]([CH3:42])[CH3:41])[CH2:30][CH:31]([CH3:36])[CH3:32])=[CH:27][N:28]=[C:23]3[CH2:22][CH2:21]2)=[O:19])=[CH:12][CH:11]=1)=[NH:9])([CH3:2])([CH3:4])[CH3:3]

Komponenten

5

Edukt 4

HCID 6561IsobutyraldehydeHCID 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

Produkt 1

HCID 145857206tert-butyl N-[4-[[[(6S)-3-[bis(2-methylpropyl)amino]-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carbonyl]amino]methyl]benzenecarboximidoyl]carbamateAusbeute 79,5 %

Versuchsvorschrift

Following a procedure similar to that for the preparation of intermediate 1k, intermediate 1j (97.1 mg, 0.228 mmol), isobutyraldehyde (32.8 mg, 0.455 mmol) and NaBH(OAc)3 (135.1 mg, 0.638 mmol) yielded 87.4 mg (79.5%) of intermediate 9a. MS (ESI) 539.2 (M+H+).

Quellen und Nachweise

ORD-Eintrag
ord-8ae7b2d9548841909fb347af3a2a420c
Quelldatensatz
uspto-grants-2006_08
Patentnummer
US07094783B2

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