Reaction of Herz salts with malononitrile: a general route to (6H-1,2,3-benzodithiazol-6-ylidene)malononitriles

Publication typeJournal Article
Publication date2002-01-03
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ISSN0300922X, 13645463, 14727781
General Medicine
Abstract
6-Chloro-1,2,3-benzodithiazolium chlorides 1 (Herz salts) react with malononitrile to afford the highly coloured ylidenes 2 in low to moderate yields. The reaction is general but complex and in the case of the 6-chloro-4-methoxy-1,2,3-benzodithiazolium chloride 1e the by-products 6-chloro-4-methoxy-1,3-benzothiazole-2-carbonitrile 3, 6-chloro-4-methoxy-2,3-dihydro-1,3-benzothiazole-2,2-dicarbonitrile 4, and 4-methoxy-6-thiocyanato-1,3-benzothiazole-2-carbonitrile 5 were also isolated.
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Koutentis P. A., Rees C. W. Reaction of Herz salts with malononitrile: a general route to (6H-1,2,3-benzodithiazol-6-ylidene)malononitriles // Journal of the Chemical Society Perkin Transactions 1. 2002. Vol. 3. pp. 315-319.
GOST all authors (up to 50) Copy
Koutentis P. A., Rees C. W. Reaction of Herz salts with malononitrile: a general route to (6H-1,2,3-benzodithiazol-6-ylidene)malononitriles // Journal of the Chemical Society Perkin Transactions 1. 2002. Vol. 3. pp. 315-319.
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RIS Copy
TY - JOUR
DO - 10.1039/b110024f
UR - https://doi.org/10.1039/b110024f
TI - Reaction of Herz salts with malononitrile: a general route to (6H-1,2,3-benzodithiazol-6-ylidene)malononitriles
T2 - Journal of the Chemical Society Perkin Transactions 1
AU - Koutentis, Panayiotis A.
AU - Rees, Charles W.
PY - 2002
DA - 2002/01/03
PB - Royal Society of Chemistry (RSC)
SP - 315-319
IS - 3
SN - 0300-922X
SN - 1364-5463
SN - 1472-7781
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2002_Koutentis,
author = {Panayiotis A. Koutentis and Charles W. Rees},
title = {Reaction of Herz salts with malononitrile: a general route to (6H-1,2,3-benzodithiazol-6-ylidene)malononitriles},
journal = {Journal of the Chemical Society Perkin Transactions 1},
year = {2002},
publisher = {Royal Society of Chemistry (RSC)},
month = {jan},
url = {https://doi.org/10.1039/b110024f},
number = {3},
pages = {315--319},
doi = {10.1039/b110024f}
}