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Simple Syntheses of Two New Benzo-Fused Macrocycles Incorporating Chalcone Moiety
Author(s) -
Rina Mondal,
Swati Samanta,
Saheli Sarkar,
Asok K. Mallik
Publication year - 2014
Publication title -
international scholarly research notices
Language(s) - English
Resource type - Journals
ISSN - 2356-7872
DOI - 10.1155/2014/485014
Subject(s) - chalcone , moiety , reagent , chemistry , stereochemistry , organic chemistry
Simple syntheses of the benzo-fused 26-membered macrocyclic bischalcone (19 E ,43 E )-2.11.27.36-tetroxaheptacyclo[44.4.0.0 4,9 .0 12,17 .0 21,26 .0 29,34 .0 37,42 ]pentaconta-1(46),4(9),5,7,12(17),13,15,19,21,23,25,29,31,33,37,39,41,43,47,49-icosaene-18,45-dione ( 3 ) and the benzo-fused 13-membered macrocyclic chalcone (19 E )-2.11-dioxatetracyclo[19.4.0.0 4,9 .0 12,17 ]pentacosa-1(25),4(9),5,7,12(17),13,15,19,21,23-decaen-18-one ( 5 ) using very common starting materials and reagents are described. The compounds are new and they have been characterized from their analytical and spectral data.

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