Synthetic strategies towards the carbenoid reactions of alpha,beta-acetylenic carbonyls


Kışkan F. Ş. , Ozguz E., Anaç O. , Tarakci N., MEREY G.

TURKISH JOURNAL OF CHEMISTRY, vol.42, no.5, pp.1384-1397, 2018 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 42 Issue: 5
  • Publication Date: 2018
  • Doi Number: 10.3906/kim-1805-65
  • Title of Journal : TURKISH JOURNAL OF CHEMISTRY
  • Page Numbers: pp.1384-1397

Abstract

Catalytic reactions of alpha, beta-conjugated carbonyl compounds have been a practical tool towards the synthesis of different useful heterocyclic compounds. Despite the numerous reactions with carbon-carbon double bond conjugated carbonyls, reactions of acetylenic carbonyls are limited. In this study, efficient dioxole synthesis was carried out via acetylenic aldehydes and butadiene formation was preferred over cyclopropene formation via acetylenic esters as different functional groups on these substrates change the product distribution. Both reaction conditions (such as solvent and temperature) and electrophilic structure of metal carbenoids alter the product distribution; acceptor (A), donor-acceptor (DA), and acceptor-acceptor (AA) functionalized diazo compounds yield different product types over different mechanisms.