4411-93-2Relevant articles and documents
Thionation of N-acylthreonine and its methyl ester with Lawesson's reagent: Synthesis of 5-oxazolones, 5-thiazolones and thiazolines
Ori, Mayuko,Nishio, Takehiko
, p. 201 - 208 (2001)
The treatment of N-acylthreonine (1) with Lawesson's reagent [LR: 2,4-bis(p-methoxyphenyl)-1,3,2,4-dithiaphosphetane 2,4-disulfide] afforded 5-oxazolones (2) in moderate yields, along with 5-thiazolones (3). On the other hand, N- acylthreonine methyl este