Sulfuric Acid → HCID 178520209, 화합물

HRID 481469

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HRID 481469 반응식
[Cl:1][C:2]1([C:5]([OH:20])([CH2:14][N:15]2[CH:19]=[N:18][CH:17]=[N:16]2)[CH2:6][C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=2[Cl:13])[CH2:4][CH2:3]1.C([Li])CCC.[S].[S:27](=O)(=O)(O)O>CCCCCC.O1CCCC1>[Cl:1][C:2]1([C:5]([OH:20])([CH2:14][N:15]2[C:19]([SH:27])=[N:18][CH:17]=[N:16]2)[CH2:6][C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=2[Cl:13])[CH2:3][CH2:4]1

참가 물질

7

반응물 4

HCID 1118Sulfuric AcidHCID 119361alpha-(1-Chlorocyclopropyl)-alpha-((2-chlorophenyl)methyl)-1H-1,2,4-triazole-1-ethanolHCID 5362487SulfurHCID 178418339Butyllithium

생성물 1

HCID 178520209HCID 178520209, 화합물수율 93%

시약·촉매·용매 2

HCID 8028Tetrahydrofuran용매HCID 8058Hexane용매

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온도
0 °C

실험 절차

A mixture of 3.12 g (10 mmol) of 2-(1-chloro-cyclopropyl)-1-(2-chlorophenyl)-3-(1,2,4-triazol-1-yl)-propan-2-ol and 45 ml of absolute tetrahydrofuran is treated at 20° C. with 8.4 ml (21 mmol) of n-butyl-lithium in hexane, and the mixture is stirred at 0° C. for 30 minutes. The reaction mixture is then cooled to -70° C., 0.32 g (10 mmol) of sulphur powder are added, and the mixture is stirred for 30 minutes at -70° C. It is heated to -10° C., and treated with ice-water and brought to a pH of 5 by adding dilute sulphuric acid. The mixture is extracted repeatedly using ethyl acetate, and the combined organic phases are dried over sodium sulphate and concentrated under reduced pressure. In this manner, 3.2 g (93% of theory) of 2-(1-chloro-cyclopropyl)-1-(2-chlorophenyl)-3-(5-mercapto-1,2,4-triazol-1-yl)-propan-2-ol are obtained in the form of a solid which, after recrystallization, melts at 138°-139° C.

후처리

  1. temperatureThe reaction mixture is then cooled to -70° C.
  2. stirringthe mixture is stirred for 30 minutes at -70° C
  3. temperatureIt is heated to -10° C.
  4. extractionThe mixture is extracted repeatedly using ethyl acetate
  5. dry with materialthe combined organic phases are dried over sodium sulphate
  6. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-28423d9f0c2c4de4ba935d927efcac61
출처 데이터셋
uspto-grants-1998_08
특허 번호
US05789430

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