• Preparation of Ferrocene Polymers by Using a Palladium(0) Catalyst
  • Jang K
  • Pd(0) 촉매 사용에 의한 페로센 폴리머의 합성
  • 장길수
Abstract
A synthetic route to polymeric systems, based on ferrocenes held face-to-face by peri substitution on a naphthalene ring has been investigated Palladium-catalyzed polymerization of 1,8-diiodonaphthalene with 1,1''-bis-(chorozinc)-ferrocene gave a relatively low molecular weight polymer having about 10 ferrocene units. It was suggested that preparation of the polymer during the polymerization reaction prevented formation of higher molecular weight polymers. In order to overcome this problem, a butyl chain was introduced on one of the naphthalene rings of the polymer. This modified polymer showed somewhat higher molecular weight (13 ferrocene units).

나프탈렌 고리의 두 근접 부분 치환에 의해 면과 면으로 마주보며(face-to-face) 유지되는 페로센에 기초를 두고 있는 고분자 계의 합성 경로를 알아보았다. 팔라디움 촉매 사용에 의한 1,8-diiodonaphthalene과 1,1''-bis-(chlorozinc)-ferrocene의 고분자 반응은 약 10개의 페로센 단위들로 이루어진 상대적으로 낮은 분자량의 폴리머를 생성하였다. 이는 중합 반응 중에 형성되는 물질이 용해도 차이에 의하여 침전되면서, 더 큰 분자량을 갖는 폴리머 물질의 생성을 방해하고 있음을 제시하고 있다. 이러한 문제점을 극복하기 위하여 한 개의 부틸 사슬(n-butyl chain)을 폴리머 나프탈렌 고리들의 한 위치에 부착시켰다. 이렇게 수정하여 얻은 고분자 물질은 13개의 페로센 단위를 갖는 것으로 나타났다.

Keywords: ferrocene; polymer; palladium-catalyzed; face-to-face polymer

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This Article

  • 1998; 22(6): 890-900

    Published online Nov 25, 1998