Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur containing
Patent
1982-04-14
1984-05-15
Coughlan, Jr., Paul M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Sulfur containing
C07C14708
Patent
active
044490020
ABSTRACT:
There are disclosed polyprenyl sulfone derivatives of the general formula: ##STR1## wherein n represents an integer of 1-4, R.sub.1 represents an aryl group d R.sub.2 represents a hydroxymethyl or carboxyl group. The polyprenyl sulfone derivatives are prepared by cultivating a microorganism of the genus Nocardia capable of oxidizing a compound of the general formula: ##STR2## wherein n and R.sub.1 have the same meanings as defined above, in a culture medium containing a compound of the above general formula (II), and then collecting the oxidation product from the culture mixture. The polyprenyl sulfone derivatives are useful as intermediates for preparing various useful polyprenyl compounds.
REFERENCES:
patent: 2225266 (1940-12-01), Frey et al.
patent: 4175139 (1979-11-01), Kijima et al.
patent: 4199587 (1980-04-01), Kijima et al.
Kawamura Tamio
Kijima Shizumasa
Nagai Yasushi
Nakajima Kenji
Sato Akio
Coughlan, Jr. Paul M.
Eisai Co. Ltd.
General Director of the Agency of Industrial Science and Technol
Springer D. B.
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