Transformations of isomeric naphthopyranones. The synthesis of substituted β??naphthyl?螃?, β??dehydro?螃窿?amino acid derivatives

B Ornik, B Stanovnik, M Tišler

Index: Ornik, Brina; Stanovnik, Branko; Tisler, Miha Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 5 p. 1241 - 1244

Full Text: HTML

Citation Number: 9

Abstract

Abstract The opening of the pyranone ring in 2H-naphtho [1, 2-b] pyran-2-one derivative (1) and 3H-naphtho [2, 1-b]-pyran-3-one derivatives 8 and 20 with nucleophiles afforded 3- (naphthyl-1)-and 3-(naphthyl-2) propenoates (substituted β-naphthyl-α, β-dehydro-α-amino acid derivatives) 7, 13, 14, 15, 24, and 35.