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1,2-Dichloroethane → Epyrifenacil

HRID 1354555
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인쇄 미리보기

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HRID 1354555 반응식
[Cl:1][C:2]1[CH:15]=[C:14]([F:16])[C:13]([N:17]2[C:22](=[O:23])[CH:21]=[C:20]([C:24]([F:27])([F:26])[F:25])[N:19]([CH3:28])[C:18]2=[O:29])=[CH:12][C:3]=1[O:4][C:5]1[C:6](=[O:11])[NH:7][CH:8]=[CH:9][CH:10]=1.ClCCCl.[N+](=[CH:36][C:37]([O:39][CH2:40][CH3:41])=[O:38])=[N-]>CCCCCC.C(OCC)(=O)C>[Cl:1][C:2]1[CH:15]=[C:14]([F:16])[C:13]([N:17]2[C:22](=[O:23])[CH:21]=[C:20]([C:24]([F:27])([F:26])[F:25])[N:19]([CH3:28])[C:18]2=[O:29])=[CH:12][C:3]=1[O:4][C:5]1[C:6]([O:11][CH2:36][C:37]([O:39][CH2:40][CH3:41])=[O:38])=[N:7][CH:8]=[CH:9][CH:10]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 111,2-DichloroethaneHCID 12192Ethyl diazoacetateHCID 116549103-[2-chloro-4-fluoro-5-(3-methyl-2,6-dioxo-4-trifluoromethyl-1,2,3,6-tetrahydropyrimidin-1-yl)phenoxy]-1H-pyridin-2-one

생성물 1

HCID 12097345Epyrifenacil

시약·촉매·용매 1

HCID 21226206Ethyl acetate hexane용매

실험 절차

Into a mixture of 1.0 g of 3-[2-chloro-4-fluoro-5-(3-methyl-2,6-dioxo-4-trifluoromethyl-1,2,3,6-tetrahydropyrimidin-1-yl)phenoxy]-1H-pyridin-2-one, 42 μl of boron trifluoride-diethyl ether complex and 40 ml of 1,2-dichloroethane, 0.4 ml of ethyl diazoacetate (purity: 90%) was dropped at room temperature over 2 hours. After dropping, the reaction mixture was further stirred for two hours, and then subjected to silica gel column chromatography (eluent; hexane/ethyl acetate=2/1) to give 1.10 g of 3-[2-chloro-4-fluoro-5-(3-methyl-2,6-dioxo-4-trifluoromethyl-1,2,3,6-tetrahydropyrimidin-1-yl)phenoxy]-2-(ethoxycarbonylmethoxy)pyridine:

후처리

  1. additionwas dropped at room temperature over 2 hours

출처 및 근거

ORD 기록
ord-284cc285c0df43f09d3846b9d98b287f
출처 데이터셋
uspto-grants-2007_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07223862B2

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