2-methyl-4-phenyl-1,3-dioxolane

Details 2-methyl-4-phenyl-1,3-dioxolane 2-methyl-4-phenyl-1,3-dioxolane

2007-02-13

2007-02-13

Padmanabhan, Sreeni (Department: 1617)

Perfume compositions

Perfume compositions

Ring containing active ingredient

C426S536000, C426S534000, C512S008000

Reexamination Certificate

active

10402754

ABSTRACT:
The sensory properties of the diastereomeric enantiomer pairs and of the pure enantiomers of the compound 2-methyl-4-phenyl-1,3-dioxolane are described. The cis compounds (2R,4S)-2-methyl-4-phenyl-1,3-dioxolane and (2S,4R)-2-methyl-4-phenyl-1,3-dioxolane are the most sensorially valuable. These enantiomers and mixtures thereof are particularly suitable for use as a sensorially active substance, for example as a fragrance.

REFERENCES:
patent: 109176 (1990-02-01), None
Zhu et al. “Organometallic Catalysis: Formation of 1,3-Dioxolanes and Their Analogs Catalyzed by Methylrhenium Trioxide (MTO)” 1997, Organometallics, 16, 3658-63.
M. Hojo, H. Aihara, Y. Suginohara, K. Sakata, Sh. Nakamura, Ch. Murakami and A. Hosomi: A new and mild system for the generation of nonstabilized carbonyl yields: Synthetically practical use in reactions with electron-deficient dipolarophiles. J. Org. Chem. 1997, 8610-8611.
K. Kulka, J. W. Dittick: Acetals and ketals of 1-phenyl-1,2-ethanediol. Int. Congr. Essent. Oils, 6th 1974, 72, 11 pp.

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