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Transformations of isomeric naphthopyranones. The synthesis of substituted β‐naphthyl‐α,β‐dehydro‐α‐amino acid derivatives
Author(s) -
Ornik Brina,
Stanovnik Branko,
Tišler Miha
Publication year - 1992
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570290533
Subject(s) - chemistry , pyran , nucleophile , ring (chemistry) , derivative (finance) , stereochemistry , medicinal chemistry , organic chemistry , catalysis , financial economics , economics
The opening of the pyranone ring in 2 H ‐naphtho[1,2‐ b ]pyran‐2‐one derivative (1) and 3 H ‐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 .