Alternating copolymers of functional alkenes with carbon monoxide

Smita Kacker, Zhaozhong Jiang, Ayusman Sen

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66 Scopus citations


The alternating copolymerization of functional alkenes, CH2=CH(CH2)xOH (x = 2, 3, 4, 9), CH2=CH(CH2)xCOOH (x = 1, 2, 4, 8), and 4-allylanisole, with carbon monoxide was achieved by using [Pd(Me-DUPHOS)(MeCN)2](BF4)2 [Me-DUPHOS = 1,2-bis(2,5-dimethylphospholano)benzene] as the catalyst. The resultant polymers were optically active with isotactic sequences in the backbone. With most alkenes, the polymers had poly(1,4-ketone) and/or "regular" poly(spiroketal) (i.e., 1,6-dioxaspiro-[4.4]nonane) enchainments. However, with 4-penten-1-ol and 3-buten-1-ol, the participation of the pendant hydroxyl group in intrachain reactions led to the formation of unusual polycyclic repeating units in the backbone. A comparison of [Pd(Me-DUPHOS)(MeCN)2](BF4)2 with [Pd(DPPP)(MeCN)2](BF4)2 [DPPP = 1,3-bis(diphenylphosphino)propane] indicated that the former was a significantly better catalyst for the alternating copolymerization of alkenols and alkenoic acids with carbon monoxide.

Original languageEnglish (US)
Pages (from-to)5852-5858
Number of pages7
Issue number18
StatePublished - Aug 26 1996

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry


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