The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 21, 1979

Filed:

Mar. 30, 1978
Applicant:
Inventors:

Roland Bardoneschi, Vaujours, FR;

Alain Jouquey, Paris, FR;

Daniel Philibert, La Varenne Saint-Hilaire, FR;

Assignee:

Roussel Uclaf, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
2603975 ; 2602 / ; 2603973 ; 2603974 ;
Abstract

Steroids of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, tetrahydropyranyl, trityl and trimethylsilyl, R.sub.1 is selected from the group consisting of hydrogen, acryl of an alkanoic acid of 1 to 5 carbon atoms and tetrahyropyranyl and the wavy line indicates that the OR.sub.1 group may be in either position about the carbon atom and a process and intermediates for their preparation which compounds are useful as intermediates to form novel tritium compounds of the formula ##STR2## wherein R and R.sub.1 have the above definition which are useful as intermediates for the production of (6,7-H.sup.3) 17.alpha.,21-dimethyl-19-nor-.DELTA..sup.4,9 -pregnadiene-3,20-dione.


Find Patent Forward Citations

Bardoneschi, Roland. (1979). Steroids and their preparation (U.S. Patent No. 4165326). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4165326

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