94615-64-2Relevant articles and documents
Studies on β-Lactams: Synthesis of Some Penams, Cephams and Their 1-Oxa Analogs
Sharma, S. D.,Mehra, Usha,Kaur, Sukhjinder
, p. 857 - 859 (2007/10/02)
5,6-Dihydro-4-hydroxy-4-methyl-2-phenyl-1,3-thiazine (1a), after the protection of its hydroxy group with trimethylsilyl chloride, reacts with phenoxyacetyl chloride in the presence of triethylamine to give the hydroxycepham (IIa). 1,3-Oxazines (Ib and Ic