An Efficient Synthesis of Epoxydiynes and a Key Fragment of Neocarzinostatin Chromophore
摘要:
A key structural feature of the Neocarzinostatin chromophore is a reactive epoxydiyne. We present here a new method for the preparation of epoxydiynes by the addition of an allenyl zinc bromide to a propargylic ketone.
Synthetic strategies to epoxydiynes and a key synthon of the neocarzinostatin chromophore
作者:Olivier Thominet、James R. Baker、Hugh Britton、Zac C. Etheridge、Marco G. Soscia、Stephen Caddick
DOI:10.1039/b711196g
日期:——
towards the synthesis of epoxydiynes which represent an unusual structural feature of the neocarzinostatinchromophore. A number of different routes to these epoxydiynes have been explored with varying success. Ultimately a concise and convergent approach was developed, which involved the addition of an allenyl zinc bromide to propargylic ketones/aldehydes followed by epoxide formation. This new protocol
An Efficient Synthesis of Epoxydiynes and a Key Fragment of Neocarzinostatin Chromophore
作者:J. R. Baker、O. Thominet、H. Britton、S. Caddick
DOI:10.1021/ol062461g
日期:2007.1.1
A key structural feature of the Neocarzinostatin chromophore is a reactive epoxydiyne. We present here a new method for the preparation of epoxydiynes by the addition of an allenyl zinc bromide to a propargylic ketone.
Epsztein,R.; Marszak,I., Bulletin de la Societe Chimique de France, 1968, p. 313 - 317