Efficient Solvent-Free Synthesis of Benzothiazine-Fused Pyrrolo[3,4-c]coumarins: Cycloaddition Reactions between Coumarin-Based Dihydrobenzothiazoles and Isocyanides

Title
Efficient Solvent-Free Synthesis of Benzothiazine-Fused Pyrrolo[3,4-c]coumarins: Cycloaddition Reactions between Coumarin-Based Dihydrobenzothiazoles and Isocyanides
Author(s)
주상우Mehdi Khoobi[Mehdi Khoobi]Ali Ramazani[Ali Ramazani]Mohammad Mahdavi[Mohammad Mahdavi]Alireza Foroumadi[Alireza Foroumadi]Saeed Emami[Saeed Emami]Katarzyna S´ lepokura[Katarzyna S´ lepokura]Tadeusz Lis[Tadeusz Lis]Abbas Shafiee[Abbas Shafiee]
Keywords
DERIVATIVES
Issue Date
201406
Publisher
WILEY-V C H VERLAG GMBH
Citation
HELVETICA CHIMICA ACTA, v.97, no.6, pp.847 - 853
Abstract
A new and unusual synthesis of benzothiazine-fused pyrrolo[3,4-c]coumarins, involving the ring-opening of coumarin-based dihydrobenzothiazoles and subsequent [4+1] cycloaddition reaction with isocyanides, was described. Thus, simple heating of various 3-(2,3-dihydro-2-methylbenzo[d]thiazol-2-yl) coumarins with isocyanides produced the title compounds in good yields under solvent-free conditions.
URI
http://hdl.handle.net/YU.REPOSITORY/31888http://dx.doi.org/10.1002/hlca.201300310
ISSN
0018-019X
Appears in Collections:
공과대학 > 기계공학부 > Articles
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