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Title: Diheteroaromatic dianionic oxy-Cope rearrangement route to the synthesis of novel heterocyclic compounds
Authors: Huq, C A M A
Sivakumar, S
Keywords: 2-Thiophenylmagnesium bromide;Diheteroaromatic dianionic oxy-Cope rearrangement;Tandem reaction;Heterocyclic compounds;1,2-diols
Issue Date: Jun-2014
Publisher: NISCAIR-CSIR, India
Abstract: This is a first instance where the π bonds of the two thiophene rings act as a 1,5-hexadiene system necessary for the oxy-Cope rearrangement. This new reaction termed by us as diheteroaromatic dianionic oxy-Cope rearrangement is used for the synthesis of novel heterocyclic compounds 4,5-diphenyl-3,6-dithia-4,5-dihydro-as-indacene-4,5-diol (2), 25. 26-dioxa-16. 23-dithiaheptacyclo [12.10. 2. 01,14.02,7.08,13.015,19.020,24 ] hexacosa-2(7), 3, 5, 8(13), 9, 11, 15(19), 17, 20(24), 21 decaene (4) and 4.11-dithiapentacyclo [12.7.1. 03,7. 08,12. 018,22 ] docosa-1(21), 3(7), 5, 8(12), 9, 14(22), 15, 17, 19-nonaene-2,13-dione (6), from simple starting materials.
Page(s): 723-727
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.53B(06) [June 2014]

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