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Nitric Acid → Tert-butyl 9-nitro-6-oxo-1,2,4a,5,6,7-hexahydropyrazino[1,2-a][1,5]benzodiazepine-3(4h)-carboxylate

HRID 1035294
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HRID 1035294 반응식
[N+:1]([O-:4])(O)=[O:2].[O:5]=[C:6]1[NH:12][C:11]2[CH:13]=[CH:14][CH:15]=[CH:16][C:10]=2[N:9]2[CH2:17][CH2:18][N:19]([C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[CH2:20][CH:8]2[CH2:7]1.O>C(O)(=O)C>[N+:1]([C:14]1[CH:15]=[CH:16][C:10]2[N:9]3[CH2:17][CH2:18][N:19]([C:21]([O:23][C:24]([CH3:25])([CH3:26])[CH3:27])=[O:22])[CH2:20][CH:8]3[CH2:7][C:6](=[O:5])[NH:12][C:11]=2[CH:13]=1)([O-:4])=[O:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 944Nitric AcidHCID 962WaterHCID 58284919tert-butyl 6-oxo-1,2,4a,5,6,7-hexahydropyrazino[1,2-a][1,5]benzodiazepine-3(4H)-carboxylate

생성물 1

HCID 67249636Tert-butyl 9-nitro-6-oxo-1,2,4a,5,6,7-hexahydropyrazino[1,2-a][1,5]benzodiazepine-3(4h)-carboxylate

시약·촉매·용매 1

HCID 176Acetic Acid용매

실험 절차

Nitric acid (65% solution, 0.20 mL, 3.2 mmol) was added to a solution of Example 1C (1.0 g, 3.2 mmol) in acetic acid (5 mL) at room temperature. The solution was stirred for 3 hours, and then the reaction mixture was poured into water (200 mL). The precipitate was collected by filtration from the aqueous solution to afford the title compound. 1H NMR (300 MHz, DMSO-d6) d ppm 8.00 (dd, J=8.92, 2.58 Hz, 1H), 7.79 (d, J=2.78 Hz, 1H), 7.24 (d, J=9.12 Hz, 1H), 3.86-4.10 (m, 2H), 3.36-3.50 (m, 1H), 3.20-3.29 (m, 1H), 2.81-2.99 (m, 1H), 2.62-2.77 (m, 1H), 2.18 (d, J=13.48 Hz, 1H); MS (APCI+) m/z 307 (M+H-tBu)+.

후처리

  1. filtrationThe precipitate was collected by filtration from the aqueous solution

출처 및 근거

ORD 기록
ord-d235f719dcca4728be3031d87cdf2447
출처 데이터셋
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08546377B2

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