2-Methoxyethyl cyclododecenyl ether and processes for its prepar

Details 2-Methoxyethyl cyclododecenyl ether and processes for its prepar 2-Methoxyethyl cyclododecenyl ether and processes for its prepar

1983-05-27

1985-03-19

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568670, C07C 4101, C07C 43184, C07C 43188

Patent

active

045061025

ABSTRACT:
2-Methoxyethyl cyclododec-1-enyl ether is of interest as a precursor for the saturated ether, 2-methoxyethyl cyclododecyl ether, which can be obtained therefrom by catalytic hydrogenation, in a high purity and with a good fragrance quality. The saturated ether is a valuable fragrance component having a woody note. A process for producing 2-methylethyl cyclododec-1-enyl ether comprises the step of reacting cyclododecanone, 2-methoxyethanol and a tri(lower alkyl) orthoformate, at a temperature of 50.degree.-250.degree. C., in the presence of an acid catalyst, removing resultant low-boiling compounds by distillation, and recovering resultant 2-methoxyethyl cyclododec-1-enyl ether.

REFERENCES:
patent: 3875241 (1975-04-01), Corbier et al.
patent: 3903006 (1975-09-01), Elliott et al.
patent: 4317942 (1982-03-01), Burzin
Ellis, Hydrogenation of Organic Substances (1930) [item 2138] 234.
Houben-Weyl, "Methoden der Organischen Chemie", GTV 1965, 11-19, 24-29, 32-34.

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