Preparation of bicyclic enol-ethers, and novel ethers of 2-(3-hy

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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2603459R, 2603478, 568347, 568375, 568376, 568379, C07D31144, C07D31194

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active

042684455

ABSTRACT:
The preparation of bicyclic enol-ethers (I) ##STR1## (where n is from 3 to 12, and R.sup.1, R.sup.2 and R.sup.3 may be H or C.sub.1 --C.sub.4 -alkyl) by free radical adduct formation of CHR.sup.1 =CR.sup.2 --CHR.sup.3 --O--R.sup.4 (III)(where R.sup.4 is tert.-butyl, tetrahydrofuran-2-yl or tetrahydropyran-2-yl) with a cyclic ketone (IV) ##STR2## followed by acid-catalyzed cyclization, and novel compounds II ##STR3## The compounds (I) and (II) are intermediates for the synthesis of musk-like fragrances.

REFERENCES:
patent: 3856815 (1974-12-01), Hopp et al.
patent: 3907831 (1975-09-01), Becker
Nikishin et al., Bulletin of the Academy of Sciences, 9, 1924 (1961).

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