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ChemInform Abstract: Synthesis of Pyrazolo[4′, 3′:3, 4]pyrido[1, 2‐a]benzimidazoles and Related New Ring Systems by Tandem Cyclization of vic‐Alkynylpyrazole‐4‐carbaldehydes with (Het)aryl‐1, 2‐diamines and Investigation of Their Optical Properties. Issue 37 (September 2015)
Record Type:
Journal Article
Title:
ChemInform Abstract: Synthesis of Pyrazolo[4′, 3′:3, 4]pyrido[1, 2‐a]benzimidazoles and Related New Ring Systems by Tandem Cyclization of vic‐Alkynylpyrazole‐4‐carbaldehydes with (Het)aryl‐1, 2‐diamines and Investigation of Their Optical Properties. Issue 37 (September 2015)
Main Title:
ChemInform Abstract: Synthesis of Pyrazolo[4′, 3′:3, 4]pyrido[1, 2‐a]benzimidazoles and Related New Ring Systems by Tandem Cyclization of vic‐Alkynylpyrazole‐4‐carbaldehydes with (Het)aryl‐1, 2‐diamines and Investigation of Their Optical Properties.
<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>The reaction of vic‐alkynylpyrazole‐4‐carbaldehydes (I) and (XII) with o‐phenylenediamine (II) leads to the tetracyclic products (III) and (XIII), respectively.</p> </abstract>