ČMELÍK, Richard, Jaromír MAREK and Pavel PAZDERA. A regioselectivity of electrophilic attacks to 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid functional derivatives. An elucidation of product structures. Heterocyclic Communications. London: Freund Publishing House, 2002, vol. 2002, No 1, p. 55-60. ISSN 0793-0283. |
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@article{403456, author = {Čmelík, Richard and Marek, Jaromír and Pazdera, Pavel}, article_location = {London}, article_number = {1}, keywords = {regioselectivity; 1;2-dithiole; alkylation; acylation; 1;2-dithiolium; hydrogen bonding; X-ray structural analysis}, language = {eng}, issn = {0793-0283}, journal = {Heterocyclic Communications}, title = {A regioselectivity of electrophilic attacks to 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid functional derivatives. An elucidation of product structures}, volume = {2002}, year = {2002} }
TY - JOUR ID - 403456 AU - Čmelík, Richard - Marek, Jaromír - Pazdera, Pavel PY - 2002 TI - A regioselectivity of electrophilic attacks to 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid functional derivatives. An elucidation of product structures JF - Heterocyclic Communications VL - 2002 IS - 1 SP - 55 EP - 55 PB - Freund Publishing House SN - 07930283 KW - regioselectivity KW - 1;2-dithiole KW - alkylation KW - acylation KW - 1;2-dithiolium KW - hydrogen bonding KW - X-ray structural analysis N2 - An acylation of 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid functional derivatives led to the formation of N-acyl compound via S-acyl intermediate. On the other hand, alkylation occurred only at the sulfur atom of thioxo group. Structure elucidation of both types of products was done by IR, 1H, 13C NMR and X-ray structural analysis. ER -
ČMELÍK, Richard, Jaromír MAREK and Pavel PAZDERA. A regioselectivity of electrophilic attacks to 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid functional derivatives. An elucidation of product structures. \textit{Heterocyclic Communications}. London: Freund Publishing House, 2002, vol.~2002, No~1, p.~55-60. ISSN~0793-0283.
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