PYRYLOCYANINES. 27. SYMMETRICAL POLYMETHINE DYES WITH AN INDENOPYRYLIUM NUCLEUS

DOI: 10.1007/BF00473988

Source and publish data:

Chemistry of Heterocyclic Compounds p. 479 - 482 (1991)

Update date:2022-08-04

Topics:

Authors:

Fedotov, K. V.

Romanov, N. N.

Tolmachev, A. I.

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Article abstract of DOI:10.1007/BF00473988

A number of symmetrical dyes with an indeno<2,1-b>pyrylium nucleus were synthesized.It is shown that the peculiarities of their absorption spectra are due to the specific characteristics of the condensed heteroring.

Full text of DOI:10.1007/BF00473988

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