AN UNEXPECTED CYCLIZATION DURING NUCLEOPHILIC ADDITION OF 5-MERCAPTOQUINOLINE TO PHENYLACETYLENE
作者:Ludmila V. Andriyankova、Andrei V. Afonin、Sergey A. Zhivetév、Anastasiya G. Mal'kina、Boris A. Trofimov
DOI:10.1080/10426500490256970
日期:2004.1
Reaction of 5-mercaptoquinoline with phenylacetylene (KOH, dioxane, 160-170degreesC, 1 h, autoclave) gives (along with the normal adduct Z-5-styrylthioquinoline) 3-phenylthiopyrano[4,3,2-d,e]quinoline, the product of a unique intramolecular nucleophilic substitution of hydrogen by carbanion at position 4 of the quinoline ring.