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Title: Attempted synthesis of substituted carbazoles from 1-oxo-1,2,3,4-tetrahydro-carbazoles and 1-hydroxyimino-1,2,3,4-tetrahydrocarbazoles
Authors: Danish, I Antony
Prasad, K J Rajendra
Keywords: Carbazoles;tetrahydrocarbazoles;vinyl acetate;hexa­hydropyrrolo[3, 4-]carbazole
Issue Date: Feb-2006
Publisher: CSIR
IPC Code: Int.Cl.7 C 07 D
Abstract: The reaction of 1-oxo-1,2,3,4-tetrahydrocarbazoles 1 with vinyl acetate in presence of alcoholic KOH affords hitherto unknown 7-methyl-1-oxo-2-(3'-methyl propan-1'-al)-1,2,3,4-tetrahydrocarbazole 2. Similarly, the reaction of 1-hydroxyimino-1,2,3,4-tetrahydrocarbazoles 3 with vinyl acetate in the presence of p-toulenesulphonic acid results in the formation of a new compound viz., 2-acetoxy-1,2,3,3a,4,5-hexahydropyrrolo[3,4-]carbazole 4. All the compounds have been characterized by IR, NMR and mass spectra and elemental analysis.
Page(s): 540-545
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.45B(02) [February 2006]

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