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Diisopropylethylamine → N-(1-methyl-4-piperidyl)-7-nitro-benzo[1,3]dioxole-4-carboxamide

HRID 2234491
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HRID 2234491 반응식
[NH2:1][CH:2]1[CH2:7][CH2:6][N:5]([CH3:8])[CH2:4][CH2:3]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[N+:33]([C:36]1[C:41]2[O:42][CH2:43][O:44][C:40]=2[C:39]([C:45](O)=[O:46])=[CH:38][CH:37]=1)([O-:35])=[O:34].C(N(C(C)C)CC)(C)C>CN(C=O)C>[CH3:8][N:5]1[CH2:6][CH2:7][CH:2]([NH:1][C:45]([C:39]2[C:40]3[O:44][CH2:43][O:42][C:41]=3[C:36]([N+:33]([O-:35])=[O:34])=[CH:37][CH:38]=2)=[O:46])[CH2:3][CH2:4]1
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 27375314-Amino-1-methylpiperidineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 219488047-Nitrobenzo[d][1,3]dioxole-4-carboxylic acid

생성물 1

HCID 68682205N-(1-methyl-4-piperidyl)-7-nitro-benzo[1,3]dioxole-4-carboxamide
수율 51%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

4-Amino-1-methylpiperidine (Fluorochem; 325 mg, 2.84 mmol), HATU (1.09 g, 2.84 mmol) and 7-nitrobenzo[1,3]dioxole-4-carboxylic acid (WO 2003082827; 400 mg, 1.89 mmol) were stirred in DMF (5 mL) and diisopropylethylamine (0.99 ml, 5.68 mmol) added. The mixture was stirred for 2 hours at room temperature. The reaction mixture was loaded on to an SCX column, which was subsequently washed with methanol and eluted with ammonia in methanol. Product containing fractions were concentrated and the solid suspended in methanol and filtered off to yield the title compound as a yellow solid (295 mg, 51%).

후처리

  1. washwas subsequently washed with methanol
  2. washeluted with ammonia in methanol
  3. additionProduct containing fractions
  4. concentrationwere concentrated
  5. filtrationfiltered off

출처 및 근거

ORD 기록
ord-eaac18c1bee74422bc4730b858d41712
출처 데이터셋
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07709471B2

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