Convenient Preparation of Diethyl (2‐Thienyl)methanephosphonate

Abstract This article describes a convenient preparation of diethyl (2‐thienyl)methanephosphonate in 88% overall yield. Keywords: Arbuzovchlorinationphosphite Acknowledgments Financial support from the Office of Naval Research is gratefully acknowledged. M. C. D. thanks several people in NAWCWD: Geoffrey A. Lindsay for advice and encouragement throughout the course of this work; Robert D. Chapman and Andrew P. Chafin for proofreading this manuscript; and librarian Patricia Backes for help finding the federal emission standards.