含硫黄ピリジン誘導体について(第50報)アルカリ水溶液による2-Aminothiazolo〔5,4-b〕pyridine類のチアゾール環開裂機構
1956 年 4 巻 5 号 p. 396-401
詳細
1956 年 4 巻 5 号 p. 396-401
1) The structure of the unknown substances (Substances I, II, and III) described in Part XXXVIII were determined as 6-chloro-2-methylthiopyridyl-3-urea, 6-ethoxy-2-methylthiopyridyl-3-urea, and 6-ethoxy-2-ethylthiopyridyl-3-urea, respectively. 2) Mechanism of cleavage of the 2-aminothiazo1o [5, 4-b]pyridines was studied.
