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4-Nitrobenzylamine hydrochloride → (S)-3,5-dichloro-4-(2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl)-2-(4-nitrobenzylcarbamoyloxy)ethyl)pyridine 1-oxide

HRID 1776462
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HRID 1776462 반응식
[Cl:1][C:2]1[CH:3]=[N+:4]([O-:39])[CH:5]=[C:6]([Cl:38])[C:7]=1[CH2:8][C@@H:9]([C:23]1[CH:28]=[CH:27][C:26]([O:29][CH:30]([F:32])[F:31])=[C:25]([O:33][CH2:34][CH:35]2[CH2:37][CH2:36]2)[CH:24]=1)[O:10][C:11](OC1C=CC([N+]([O-])=O)=CC=1)=[O:12].Cl.[N+:41]([C:44]1[CH:49]=[CH:48][C:47]([CH2:50][NH2:51])=[CH:46][CH:45]=1)([O-:43])=[O:42]>C(Cl)Cl.CN(C1C=CN=CC=1)C>[Cl:38][C:6]1[CH:5]=[N+:4]([O-:39])[CH:3]=[C:2]([Cl:1])[C:7]=1[CH2:8][C@@H:9]([C:23]1[CH:28]=[CH:27][C:26]([O:29][CH:30]([F:31])[F:32])=[C:25]([O:33][CH2:34][CH:35]2[CH2:37][CH2:36]2)[CH:24]=1)[O:10][C:11](=[O:12])[NH:51][CH2:50][C:47]1[CH:46]=[CH:45][C:44]([N+:41]([O-:43])=[O:42])=[CH:49][CH:48]=1
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참가 물질

5

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HCID 112524674-Nitrobenzylamine hydrochlorideHCID 86679418(S)-3,5-dichloro-4-(2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl)-2-((4-nitrophenoxy)-carbonyloxy)ethyl)pyridine 1-oxide

생성물 1

HCID 86679419(S)-3,5-dichloro-4-(2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl)-2-(4-nitrobenzylcarbamoyloxy)ethyl)pyridine 1-oxide수율 86.1%

시약·촉매·용매 2

HCID 14284
4-(Dimethylamino)pyridine
촉매
HCID 6344Dichloromethane용매2회

실험 절차

To a stirred solution of compound (S)-3,5-dichloro-4-(2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl)-2-((4-nitrophenoxy)-carbonyloxy)ethyl)pyridine 1-oxide, (227 mg, 0.388 mmol) in DCM (10 ml), (4-nitrophenyl)methanamine hydrochloride (88 mg, 0.465 mmol), and DMAP (56.9 mg, 0.465 mmol) were added. The reaction mixture was stirred at RT overnight. After 20 hours, the mixture was diluted with DCM and washed with a solution of K2CO3. he organic layer was dried over Na2SO4, evaporated and the resulting crude was purified by flash chromatography on silica gel (DCM:MeOH 10:0.3) affording the desired product (200 mg, 0.334 mmol, 86% yield, MS/ESI+ 598.3 [MH]+).

후처리

  1. waitAfter 20 hours
  2. washwashed with a solution of K2CO3
  3. dry with materialhe organic layer was dried over Na2SO4
  4. customevaporated
  5. customthe resulting crude was purified by flash chromatography on silica gel (DCM:MeOH 10:0.3)

출처 및 근거

ORD 기록
ord-c53770f542cc4830a83d9b53dd8c0f96
출처 데이터셋
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09265768B2

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