97099-98-4Relevant articles and documents
PALLADIUM-CATALYZED CYCLIZATION REACTIONS OF 3-PROPARGYLTHIO-1,2,4-TRIAZIN-5(2H)-ONES TO THIAZOLO-1,2,4-TRIAZINONES
Mizutani, Masato,Sanemitsu, Yuzuru,Tamaru, Yoshinao,Yoshida, Zen-ichi
, p. 1237 - 1240 (1985)
Selective transformation of 3-propargylthio-1,2,4-triazin-5(2H)-ones (1) to 6-methylene-6,7-dihydro-4H-thiazolo- triazin-4-ones (2) and 3-methylene-2,3-dihydro-7H-thiazolotriazin-7-ones (3) is performed under the conditions of Pd(II) salt or sodium hydroxide catalysis, respectively.