Study of the Reactivity of 5-Alkynyl-4-chloro- and 4-Alkynyl-5-chloropyridazin-3(2H)-ones towards Oxygen and Sulfur Nucleophiles
作者:Guy L. F. Lemière、Omar R'kyek、Bert U. W. Maes、Roger A. Dommisse
DOI:10.3987/com-02-9599
日期:——
and 4-alkynyl-5-chloropyridazin-3(2H)-ones (4a,b) towards oxygen and sulfur nucleophiles (NaOCH 3 , NaSCH 3 , KOH and Na 2 S) is reported. The synthesis of 5-alkynyl-2-methyl-4-methoxy- (2a,b) and 5-alkynyl-2-methyl-4-methylthiopyridazin-3(2H)-ones (3a,b) and their regioisomers 4-alkynyl-2-methyl-5-methoxy- (5a,b) and 4-alkynyl-2-methyl-5-methylthiopyridazin-3(2H)-ones (6a,b) is described, as well as
5-alkynyl-4-chloro- (la,b) 和 4-alkynyl-5-chloropyridazin-3(2H)-ones (4a,b) 对氧和硫亲核试剂 (NaOCH 3 , NaSCH 3 ) 反应性的研究, KOH 和 Na 2 S) 被报道。5-alkynyl-2-methyl-4-methoxy- (2a,b) 和 5-alkynyl-2-methyl-4-methylthiopyridazin-3(2H)-ones (3a,b) 及其区域异构体 4-alkynyl 的合成描述了 -2-methyl-5-methoxy- (5a,b) 和 4-alkynyl-2-methyl-5-methylthiopyridazin-3(2H)-ones (6a,b),以及 2-取代的合成6-甲基呋喃[2,3-d]- (7a,b,c) 和 2-取代的 6-甲基噻吩并[2,3-d]哒嗪-7(6H)-酮