Hydrazine hydrate (1:1) → N-(2-chloro-5-fluorobenzyl)hydrazinecarbothioamide

HRID 240289노트

반응식

HRID 240289 반응식
O.[NH2:2][NH2:3].[Cl:4][C:5]1[CH:10]=[CH:9][C:8]([F:11])=[CH:7][C:6]=1[CH2:12][N:13]=[C:14]=[S:15]>O1CCOCC1>[Cl:4][C:5]1[CH:10]=[CH:9][C:8]([F:11])=[CH:7][C:6]=1[CH2:12][NH:13][C:14]([NH:2][NH2:3])=[S:15]

참가 물질

4

반응물 2

HCID 24654Hydrazine hydrate (1:1)HCID 866548531-Chloro-4-fluoro-2-(isothiocyanatomethyl)benzene

생성물 1

HCID 86654854N-(2-chloro-5-fluorobenzyl)hydrazinecarbothioamide

시약·촉매·용매 1

HCID 312751,4-Dioxane용매2회

실험 절차

To a solution of hydrazine hydrate (80%, 13.4 g, 214 mmol) in 1,4-dioxane (100 mL) at 0° C. was added a solution of 1-chloro-4-fluoro-2-(isothiocyanatomethyl)benzene (26, 14.4 g, 71.6 mmol) in 1,4-dioxane (50 mL) The mixture was stirred at RT for 2 h. Ice cold water (300 mL) was added. The precipitated solid was collected by filtration, washed with water and dried over P2O5 overnight to provide N-(2-chloro-5-fluorobenzyl)hydrazinecarbothioamide (27). MS: m/z, 234 (100%, M+1), 236 (33%).

후처리

  1. filtrationThe precipitated solid was collected by filtration
  2. washwashed with water
  3. dry with materialdried over P2O5 overnight

출처 및 근거

ORD 기록
ord-3e43a443b64c4c41b4491fb7a534ed93
출처 데이터셋
uspto-grants-2014_02
특허 번호
US08648073B2

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