2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes, prepar

Details 2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes, prepar 2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes, prepar

1987-02-03

1987-11-17

Lone, Werren B.

Perfume compositions

Perfume compositions

Ring containing active ingredient

568670, 568671, A61K 746, C11B 900, C07C 4318

Patent

active

047073020

ABSTRACT:
2-Substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes of the general formula I ##STR1## where R.sup.1 is a straight-chain or branched alkyl of 1 to 10 carbon atoms which additionally may contain oxygen in the form of an ether group or is 5- to 8-membered cycloalkyl of up to 10 carbon atoms which may additionally contain oxygen in the form of an ether group, of which particularly interesting representatives are 2,4,4,7,7-pentamethyl-1,3-dioxacycloheptane, 2-tert.-butyl-4,4,7,7-tetramethyl-1,3-dioxacycloheptane and 2-isopropyl-4,4,7,7-tetramethyl-1,3-dioxacycloheptane, are prepared and used as scents.

REFERENCES:
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patent: 4294727 (1981-10-01), Conrad et al.
Chemical Abstracts, Band 86, No. 13, 28 Mar. 1977, Seite 410, Spaltent 1-2, Zusammenfassungsnr., 95863w, Columbus, Ohio, US.
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"J. Amer. Chem. Soc.", 103 (1981), pp. 936-938, Savriol-Lord et al.
Bull. Soc. Chim. FR. (1975), pp. 1763-1766, Soulier et al.
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CA 69:P19996a, Jennings et al, "Chem. Abs.", vol. 69, P1996a.
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