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Title: Synthesis of 2,3-trans-3,4-trans-2-aryl-3-alkyl/aryl chroman-4-ols
Authors: Venkati, M
Krupadanam, G L David
Issue Date: Mar-2005
Publisher: CSIR
IPC Code: Int.Cl.7 C 07 D 311/30
Abstract: -Alkyl chalcones 3a-d on acid catalyzed cyclization give a mixture of (±) trans and (±) cis 2-aryl-3-alkylchroman-4-ones. cis 4a-d are converted to trans 5a-d by epimerization with dil. alkali. a-Aryl chalcones 3e-h on acid catalyzed cyclization give (±) trans 2,3-diaryl-chroman-4-ones 5e-h. On NaBH4 reduction 5a-h give (±) 2,3-trans-3,4-trans-2-aryl-3-alkyl/aryl- chroman-4-ols 6a-h.
Page(s): 618-621
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(03) [March 2005]

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