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Benzopyrans. Part 38.1 Reactions of 4-Oxo-4H-1-benzopyran-3-carbaldehyde, -3-carbonitrile and -3-carboxylate with Chloroacetone and a Note on the Stereochemistry of Benzo[b]cyclopropa[e]pyrans

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Title Benzopyrans. Part 38.1 Reactions of 4-Oxo-4H-1-benzopyran-3-carbaldehyde, -3-carbonitrile and -3-carboxylate with Chloroacetone and a Note on the Stereochemistry of Benzo[b]cyclopropa[e]pyrans
 
Creator Ghosh, Chandra Kanta
Bhattacharya, Sumita
Ghoshal, Nanda
Achari, Basudeb
 
Subject Drug Development/Diagnostics & Biotechnology
 
Description The title benzopyranones 1±3 give the benzo[b]furan 7 and the benzo[b]cyclopropa[e]pyrans 8 and 9 with chloroacetone
in acetone containing anhydrous potassium carbonate and a catalytic amount of potassium iodide but give the
1-benzopyranones 10, 11 and 14 in dichloromethane in the presence of Brockman neutral alumina, respectively.
 
Date 1998
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://www.eprints.iicb.res.in/836/1/JOURNAL_OF_CHEMICAL_RESEARCH%2DS%2C_4_%2C_178%2D179_[48].pdf
Ghosh, Chandra Kanta and Bhattacharya, Sumita and Ghoshal, Nanda and Achari, Basudeb (1998) Benzopyrans. Part 38.1 Reactions of 4-Oxo-4H-1-benzopyran-3-carbaldehyde, -3-carbonitrile and -3-carboxylate with Chloroacetone and a Note on the Stereochemistry of Benzo[b]cyclopropa[e]pyrans. Journal of Chemical Research, 4. pp. 178-179.
 
Relation http://dx.doi.org/10.1039/A706609K
http://www.eprints.iicb.res.in/836/