作者:Robert S. Atkinson、John Fawcett、Michael J. Grimshire、David R. Russell
DOI:10.1039/c39850000544
日期:——
Analysis of the n.m.r. spectra of azirines (5)–(8) together with the X-ray crystal structure of (7) reveals that a requirement for near-coplanarity of three bonds at the spiro centre results in conformational anchoring of the five-membered ring.