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Nitriles in heterocyclic synthesis. A novel synthesis of spiropyran‐4‐ylindolidene derivatives
Author(s) -
Hafez Ebtisam Abdel Aziz,
Abdul Galil Fathy M.,
Sherif Sherif M.,
Elnagdi Mohamed H.
Publication year - 1986
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.5570230523
Subject(s) - chemistry , spiropyran , nuclear magnetic resonance spectroscopy , organic chemistry , stereochemistry , molecule
The structure of the products of reaction of 2‐oxo‐3‐dicyanomethylidene‐2,3‐dihydroindole ( 1a ) and 2‐oxo‐3‐cyanoethoxycarbonylmethylidene‐2,3‐dihydroindole ( 1b ) with the pyrazolin‐5‐one derivatives 2a,b could be established via 13 C nmr and high resolution 1 H nmr to be the spiropyranylindolone derivatives 5a‐d .