Concise synthesis of cycloheptatrienes from aldehydes and the Wittig reagent prepared from pyruvic ester
作者:Tomoyuki Yoshimura、Kanta Chino、Jun-ichi Matsuo
DOI:10.1016/j.tetlet.2021.153150
日期:2021.6
and concise synthesis of 1,3,5-cycloheptatrienes has been developed. The reaction of 4-substituted-4-pentenal derivatives with the Wittig reagent prepared from pyruvic ester under the optimal conditions proceeded to give 1,6-di- and 1,6,7-trisubstituted-1,3,5-cycloheptatrienes in moderate yield. The synthesis is advantageous through its use of readily available reagents, milder reaction conditions compared