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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/651

Title: A convenient method for the preparation of thienylacetylenes
Authors: SARKAR, A
SEKHER, P
KAMATH, MB
BHAGWAT, L
BABU, KN
RAJALAKSHMI, K
TALWAR, SS
Issue Date: 1991
Publisher: COUNCIL SCIENTIFIC INDUSTRIAL RESEARCH
Citation: INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY,30(3)360-362
Abstract: 2-Thienylacetylene (4a) and 3-thienylacetylene (4b) have been synthesised via the corresponding alkynols, 2-methylbut-3-yn-4-(2'-thienyl)-2-ol (3a) and 2-methylbut-3-yn-4-(3'-thionyl)-2-ol (3b) respectively using 2-methylbut-3-yn-2-ol (1) and bromothiophenes (2a and 2b). In the synthesis of 3b, self condensation of 1 takes place giving 2, 7-dimethylocta-3, 5-diyne-2, 7-diol (5) which in turn reduces the yield of 3b. A mechanism has been suggested for the diol formation.
URI: http://dspace.library.iitb.ac.in/xmlui/handle/10054/13072
http://hdl.handle.net/100/651
ISSN: 0376-4699
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