Triethylsilane → 6-(2-Bromoethyl)benzothiazolone

HRID 326237

반응식

HRID 326237 반응식
[Br:1][CH2:2][C:3]([C:5]1[CH:14]=[CH:13][C:8]2[N:9]=[CH:10][S:11](=[O:12])[C:7]=2[CH:6]=1)=O.C([SiH](CC)CC)C>FC(F)(F)C(O)=O>[Br:1][CH2:2][CH2:3][C:5]1[CH:14]=[CH:13][C:8]2[N:9]=[CH:10][S:11](=[O:12])[C:7]=2[CH:6]=1

참가 물질

4

반응물 2

HCID 12052TriethylsilaneHCID 1317178296-(Bromoacetyl)benzothiazolinone

생성물 1

HCID 692279736-(2-Bromoethyl)benzothiazolone

시약·촉매·용매 1

HCID 6422Trifluoroacetic acid용매

실험 절차

In a 500-cm3 ground-necked flask surmounted by a condenser, and placed in an oil bath, 40.8 g (0. 15 mol) of 6-(bromoacetyl)benzothiazolinone are dissolved in 90 cm3 of trifluoroacetic acid with magnetic stirring and while the temperature is stabilized at 60° C. 52.7 cm3 (0-33 mol) of triethylsilane are introduced dropwise via a dropping funnel. After the addition, the heating is stopped and the mixture is then left stirring vigorously for 30 hours. The reaction medium is hydrolyzed by pouring it into ice-cold water, and the precipitate obtained is drained and washed with water until the filtrate is neutral and then with hexane. The product is dried and recrystallized in absolute ethanol.

후처리

  1. customIn a 500-cm3 ground-necked flask surmounted by a condenser
  2. customplaced in an oil bath
  3. customis stabilized at 60° C
  4. additionAfter the addition
  5. waitthe mixture is then left
  6. stirringstirring vigorously for 30 hours
  7. additionby pouring it into ice-cold water
  8. customthe precipitate obtained
  9. washwashed with water until the filtrate
  10. customThe product is dried
  11. customrecrystallized in absolute ethanol

출처 및 근거

ORD 기록
ord-15d2e87ca10742889d734c0af76b54a9
출처 데이터셋
uspto-grants-1993_12
특허 번호
US05268381

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