Benzoic acid 5-(5-amino-1,1-dioxo-1H-1λ
6-[1,2,6]thiadiazin-2-yl)-[1,3]oxathiolan-2-ylmethyl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
生成
trans-2-hydroxymethyl-5-(5'-amino-1',1'-dioxo-2'H-1',2',6'-thiadiazin-2'-yl)-1,3-oxathiolane 、 cis-2-hydroxymethyl-5-(5'-amino-1',1'-dioxo-2'H-1',2',6'-thiadiazin-2'-yl)-1,3-oxathiolane