Claims for Patent: 3,850,911

Summary for Patent: 3,850,911

Title:	Steroid synthesis
Abstract:	1. A CHEMICAL COMPOUND HAVING A CYCLOPENTANOPHENANTHRENE CARBON-CARBON SKELETON CONTAINING AT LEAST 19 AND UP TO A MAXIMUM OF 40 CARBON ATOMS AND IN WHICH AT LEAST B AND THE C RING ARE AT LEAST PARTIALLY HYDROGENATED, INCLUDING A NUCLEUS SELECTED FROM THE GROUP CONSISTING OF SATURATED AND UNSATURATED GONANE AND 8ISOGONANE NUCLEI HAVING UP TO A MAXIMUM OF FIVE (5) DOUBLE BONDS AND HAVING A PART THEREOF IN THE 13-POSITION F MONOVALENT POLYCARBON ALKYL RADICAL HAVING 2 TO ABOUT 16 CARBON ATOMS, SAID RINGS AND THE 13 AND OTHER POSITIONS OF THE NUCLEUS BEING IDENTIFIED ACCORDING TO STEROID NOMENCLATURE.
Inventor(s):	G Hughes, H Smith
Assignee:	Individual
Application Number:	US00228384A
Patent Claims:	1. A CHEMICAL COMPOUND HAVING A CYCLOPENTANOPHENANTHRENE CARBON-CARBON SKELETON CONTAINING AT LEAST 19 AND UP TO A MAXIMUM OF 40 CARBON ATOMS AND IN WHICH AT LEAST B AND THE C RING ARE AT LEAST PARTIALLY HYDROGENATED, INCLUDING A NUCLEUS SELECTED FROM THE GROUP CONSISTING OF SATURATED AND UNSATURATED GONANE AND 8ISOGONANE NUCLEI HAVING UP TO A MAXIMUM OF FIVE (5) DOUBLE BONDS AND HAVING A PART THEREOF IN THE 13-POSITION F MONOVALENT POLYCARBON ALKYL RADICAL HAVING 2 TO ABOUT 16 CARBON ATOMS, SAID RINGS AND THE 13 AND OTHER POSITIONS OF THE NUCLEUS BEING IDENTIFIED ACCORDING TO STEROID NOMENCLATURE.