Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Synthesis of 1-(Benzotriazol-1-yl)alkyl Aryl Sulfones

1-(Benzotriazol-1-yl)alkyl Aryl Sulfone의 합성

  • 홍영석 (계명대학교 자연과학대학 화학과) ;
  • 김현묵 (계명대학교 자연과학대학 화학과) ;
  • 이정근 (계명대학교 자연과학대학 화학과) ;
  • 박용태 (경북대학교 자연과학대학 화학과) ;
  • 김호식 (효성카톨릭대학교 화학과)
  • Published : 19960900
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Abstract

(Benzotriazol-1-yl)arenesulfonylalkanes, 2a, 2b, 3a and 3b, were prepared by lithiation of 1-(benzotriazol-1-yl)arenesulfonylmethanes followed by reaction with alkyl iodides. Very bulky molecules such as 1,1-di(benzotriazol-1-yl)-1-aryl-1-thiophenoxymethanes 5, 1,1-di(benzotriazol-1-yl)-1-thiophenoxymethane 9a and 1,1-di(benzotriazol-1-yl)-1,1-dithiophenoxymethane 9b were synthesized. 1,1-Di(benzotriazol-1-yl)-1-benzenesulfoxymethane 10a and 1,1-di(benzotriazol-1-yl)-1-benzenesulfonylmethane 10b were also synthesized by the oxidation of compound 9a, while oxidation of sulfide group on compound 5 and 9b by m-CPBA were not successful. On the other hand, pyrolysis and hydrolysis of 3-(benzotriazol-1-yl)-3-toluenesulfonylpentane 3b gave 3-toluenesulfonyl-2-pentene 11 and diethyl ketone 13a, respectively, which means there are both C-N and C-S bond cleavages.

1-(Benzotriazol-1-yl)-1-benzenesulfonylmethane 1a에 LDA 및 methyl iodide를 작용시켜 1-(Benzotriazol-1-yl)-1-benzenesulfonylmethane 2a와 2-(Benzotriazol-1-yl)-2-benzenesulfonylpropane 2b를 각각 얻었다. 같은 방법으로 1-(Benzotriazol-1-yl)-1-benzenesulfonylmethane 1b로부터 1-(Benzotriazol-1-yl)-1-benzenesulfonylpropane 3a와 3-(Benzotriazol-1-yl)-3-benzenesulfonylpentane 3b를 얻었다. 한편, 1, 1-di(benzotriazol-1-yl)-1-arylmethane 4를 butyl lithiym과 diphenyl disulfide로 처리하여 1, 1-di(benzotriazol-1-yl)-1-aryl-1-thiophenoxymethane 5를 합성하였다. 1, 1-di(benzotriazol-1-yl)methane 8을 butyl lithiym과 diphenyl disulfide로 처리하여 1, 1-di(benzotriazol-1-yl)-1-thiophenoxymethane 9a와 1, 1-di(benzotriazol-1-yl)-1, 1-dithiophenoxymethane 9b를 각각 얻었다. 화합물 9a를 m-CPBA로 산화시켜 1, 1-di(benzotriazol-1-yl)-1-benzenesulfoxymethane 10a와 1, 1-di(benzotriazol-1-yl)-1-benzenesulfonylmethane 10b를 얻었다. 한편, 화합물 3b를 170.deg.C 에서 열분해시켜 3-toluenesulfonyl-2-pentene 11ㅇ르 얻었으며, 150.deg.C의 강철봄베속에서 3b를 과량의 물로 가수분해 시켰더니 sulfone의 C-N 및 C-S 결합 모두가 절단된 diethyl ketone 13a가 생성됨을 확인하였다.

Keywords

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