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The reaction between 3,3‐bis(methoxyphenyl)‐3 H ‐naphtho[2,1‐ b ]pyran and 1,3‐bis(methoxyphenyl)‐1 H ‐naphtho[2,1‐ b ]pyran, 2,2‐diphenyl‐2 H ‐chromen and 2,4‐diphenyl‐4 H ‐chromen, and related compounds
Author(s) -
Cotterill W. David,
Iqbal Muhammad,
Livingstone Robert,
Walshaw Maurice V.
Publication year - 1974
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570110301
Subject(s) - pyran , chemistry , stereochemistry , medicinal chemistry
The reaction between 3,3‐bis(methoxyphenyl)‐3 H ‐naphtho[2,1‐ b ]pyran and 1,3‐bis(methoxyphenyl)‐1 H ‐naphtho[2,1‐ b ]pyran under acid conditions gives a 7a,15a‐dihydro‐7a,15‐bis(methoxyphenyl)‐16‐[2,2‐bis(methoxyphenyl)‐l‐vinyl]dinaphtho‐[2,1‐ b :2,1‐ g ]‐4 H ,5 H ‐pyrano[2,3‐ b ]‐pyran.