Crown-containing styryl dyes - 8. Cation-dependent concerted [2+2]-autophotocycloaddition of photochromic 15-crown-5 ether betaines
Publication type: Journal Article
Publication date: 1993-08-01
scimago Q3
SJR: 0.305
CiteScore: 2.8
Impact factor: —
ISSN: 10665285, 15739171
General Chemistry
Abstract
Styryl dyes containing a crown ether group and a heteroaromatic moiety with a sulfoalkylN-substituent (1a,b) undergo photocyclodimerization in acetonitrile in the presence of Mg(ClO4)2 to give only the typeA isomer of cyclobutane derivative (2a,b). The photochemical regio- and stereoselectivity of the cycloaddition is explained by self-organization of thetrans-isomers of the styryl dyes upon complexation with the Mg2+ cations into dimers with a fixed mutual arrangement of multiple bonds.
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GOST
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Alfimov M. et al. Crown-containing styryl dyes - 8. Cation-dependent concerted [2+2]-autophotocycloaddition of photochromic 15-crown-5 ether betaines // Russian Chemical Bulletin. 1993. Vol. 42. No. 8. pp. 1385-1389.
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Alfimov M., Gromov S. P., Stanislavskii O. B., Ushakov E. N., Fedorova O. Crown-containing styryl dyes - 8. Cation-dependent concerted [2+2]-autophotocycloaddition of photochromic 15-crown-5 ether betaines // Russian Chemical Bulletin. 1993. Vol. 42. No. 8. pp. 1385-1389.
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RIS
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TY - JOUR
DO - 10.1007/BF00699938
UR - http://link.springer.com/10.1007/BF00699938
TI - Crown-containing styryl dyes - 8. Cation-dependent concerted [2+2]-autophotocycloaddition of photochromic 15-crown-5 ether betaines
T2 - Russian Chemical Bulletin
AU - Alfimov, M.V.
AU - Gromov, S P
AU - Stanislavskii, O B
AU - Ushakov, E N
AU - Fedorova, O.A.
PY - 1993
DA - 1993/08/01
PB - Springer Nature
SP - 1385-1389
IS - 8
VL - 42
SN - 1066-5285
SN - 1573-9171
ER -
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BibTex (up to 50 authors)
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@article{1993_Alfimov,
author = {M.V. Alfimov and S P Gromov and O B Stanislavskii and E N Ushakov and O.A. Fedorova},
title = {Crown-containing styryl dyes - 8. Cation-dependent concerted [2+2]-autophotocycloaddition of photochromic 15-crown-5 ether betaines},
journal = {Russian Chemical Bulletin},
year = {1993},
volume = {42},
publisher = {Springer Nature},
month = {aug},
url = {http://link.springer.com/10.1007/BF00699938},
number = {8},
pages = {1385--1389},
doi = {10.1007/BF00699938}
}
Cite this
MLA
Copy
Alfimov, M.V., et al. “Crown-containing styryl dyes - 8. Cation-dependent concerted [2+2]-autophotocycloaddition of photochromic 15-crown-5 ether betaines.” Russian Chemical Bulletin, vol. 42, no. 8, Aug. 1993, pp. 1385-1389. http://link.springer.com/10.1007/BF00699938.
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