Patent · US Expired

Gona-4,9(10)-dienes and process of producing the same

US4248790A · kind A · utility

5Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1979
Grant dateFeb 3, 1981
Priority date
Expiry dateFeb 13, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J41/0094
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

New gona-4,9(10)-dienes of formula I ##STR1## where R is alkyl of 1 to 3 carbon atoms and X is Cl, Br, F, N.sub.3, SCN, CN, OH, OR'(R'-alkyl), NH.sub.2, a substituted amino group or a heterocyclic compound including nitrogen in the ring. The compounds have valuable biological properties, especially hormonal and antihormonal effects, and can be used to advantage in pharmaceutical preparation, for the treatment of endocrinopathies and for reproduction control in human beings and livestock. The invention also embraces a process for making the compounds by converting 3-methoxy-13.beta.-R-gona-2,5(10)-diene-17.beta.-spiro-1,`2`-ox iranes to 17.beta.-hydroxy-17.alpha.-CH.sub.2 -13.beta.-R-gona-4,9(10)-diene-3-ones to the 17.alpha.-CH.sub.2 X-14.beta.-ols which are hydrolyzed to the 17.beta.-OH which latter are then converted to the compounds of formula I.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.