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pro vyhledávání: '"Gudimella Santosh Kumar"'
Autor:
Harshadas M. Meshram, Arupula Sanjeeva Kumar, Gudimella Santosh Kumar, Alladi Swetha, Palakuri Ramesh, Konakulla Ramakrishna
Publikováno v:
Synlett. 28:337-342
A facile and an efficient direct vinylogous aldol/Mannich reaction of furan-2(3H)-one with isatins or isatinimines has been developed by using DABCO as an organocatalyst at room temperature. The synthetic protocol is atom-economical and provides easy
Autor:
Harshadas M. Meshram, Vikas M. Bangade, Bandi Chennakesava Reddy, Gudimella Santosh Kumar, Pramod B. Thakur
Publikováno v:
International Journal of Organic Chemistry. :159-165
The synthesis of C-substituted and N-substituted pyrrole is described by the reaction of phenacyl bromides, pentane-2, 4-dione and amine in aqueous medium using DABCO as a catalyst. The method is very convenient and applicable for alkyl as well as ar