Abstract
A method is described for the synthesis of spiropyrans from 2,3-cycloalkenobenzopyrylium salts and hydroxyaldehydes with subsequent treatment of theα-styryl derivatives with ammonia in ether.
Similar content being viewed by others
Literature cited
I. H. Day, Chem. Rev.,63, 65 (1963).
A. Mustafa, Chem. Rev.,43, 509 (1948).
R. Exelby and R. Grinter, Chem. Rev.,65, 247 (1965).
A. I. Kaprianov, Usp. Khim.,29, 1336 (1960).
G. Schiele and D. Staundacher, Tetrahedron,24, 417, 5017, 5023 (1968).
Ridgway and Robinson, J. Chem. Soc.,125, 214 (1924).
Author information
Authors and Affiliations
Additional information
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1313–1315, October, 1970.
Rights and permissions
About this article
Cite this article
Shelepin, N.E., Nivorozhkin, L.E., Dorofeenko, G.N. et al. Synthesis of new spiropyrans based on 2,3-cycloalkenobenzopyrylium salts. Chem Heterocycl Compd 6, 1223–1225 (1970). https://doi.org/10.1007/BF00755061
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00755061