Y. Yuasa et al., Highly diastereoselective synthesis of (6-methylenepyrrolo[1,2-c]oxazol-7-yl)- methylphosphonate by an application of radical reaction, SYN COMMUN, 29(20), 1999, pp. 3573-3580
Highly diastereoselective synthesis of (6-methylenepyrrolo[1,2-c]oxazol-7-y
l)methylphosphonate 5 was achieved by an application of intramolecular radi
cal cyclization of vinyl radical to beta-carbon of unsaturated phosphonate.