Browsing 2005 by Author "Rajeev S Menon"

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The multicomponent reaction of dimethoxycarbene, dimethyl butynedioate and electrophilic styrenes: an unprecedented synthesis of highly substituted cyclopentenone acetals

Vijay Nair; Beneesh, P B; Sreekumar, V; Bindu, S; Rajeev S Menon; Ani Deepthi (Pergamon-Elsevier Science, 2005)

The zwitterionic species generated by the addition of dimethoxycarbene to dimethyl butynedioate is trapped by arylidenemalononitrile to yield cyclopentenone derivatives.
Multicomponent reactions based on nucleophilic carbenes and their applications in organic synthesis

Vijay Nair, G; Rajeev S Menon; Sreekumar, V (Walter de Gruyter, 2005)

Zwitterionic intermediates generated from the addition of nonprotic nucleophiles to activated acetylenes are intercepted with various third components constituting novel multicomponent organic transformations. Catalytic ...
One-pot, four-component reaction of isocyanides, dimethyl acetylenedicarboxylate, and cyclobutene-1,2-diones: a synthesis of novel spiroheterocycles

Vijay Nair, G; Rajeev S Menon; Ani Deepthi; Rema Devi, B; Biju, A T (Pergamon-Elsevier Science, 2005)

Isocyanides, dimethyl acetylenedicarboxylate, and cyclobutene-1,2-diones react in one-pot to afford novel spirocyclic compounds with double insertion of the isocyanide.
Reaction of diaryl-1,2-diones with triphenylphosphine and diethyl azodicarboxylate leading to N,N-dicarboethoxy monohydrazones via a novel rearrangement

Vijay Nair, G; Biju, A T; Abhilash, K G; Rajeev S Menon; Suresh, E (American Chemical Society, 2005)

A mechanistically novel reaction of diaryl-1,2-diones with diethyl azodicarboxylate and triphenylphosphine to afford N,N-dicarboethoxy monohydrazones is described. The reaction proceeds via a nitrogen to nitrogen migration ...

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Browsing 2005 by Author "Rajeev S Menon"

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