Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1977-02-28
1979-05-01
Raymond, Richard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
2603458R, 560262, C07D40704
Patent
active
041525205
ABSTRACT:
A novel process for the preparation of esters of 5-formyl-3-methyl-2,4-pentadien-1-ol which employs as starting materials 2-substituted-3-methyl-6-alkoxy-3,6-dihydro-2H-pyrans. Novel intermediates are also disclosed.
REFERENCES:
patent: 3622586 (1969-05-01), Jezic
patent: 3875174 (1975-04-01), Edwards
The Ring Index, 2nd Edition, Chem. Abstracts, ACS. Nos. 7304 and 7305.
Hoffmann-La Roche Inc.
Johnston George W.
Leon Bernard S.
Raymond Richard
Saxe Jon S.
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