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Title: Synthesis of 3-phenyl-4-oxopyrano[2,3-]carbazoles (indoloisoflavones)
Authors: Vandana, T
Prasad, K J Rajendra
Issue Date: May-2005
Publisher: CSIR
IPC Code: Int.Cl.7 C 07 D 209/04
Abstract: Phenacylation of 1-hydroxycarbazoles 1 with phenylacetic acid in the presence of zinc chloride and phosphorous oxychloride afforded 2-phenacyl- and 2,4-diphenacyl- 1-hydroxycarbazoles (2 and 3). Further, 2-phenacyl-1-hydroxycarbazoles 2 on Claisen condensation reaction followed by cyclisation with H+/EtOH yielded 3-phenyl-4-oxopyrano[2,3-]carbazoles 4.
Page(s): 1101-1104
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(05) [May 2005]

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