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Pfizer Italia SRL
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Farmaceutici Italia SpA
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Publication of ES231618A2publicationCriticalpatent/ES231618A2/en
C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J75/00—Processes for the preparation of steroids in general
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Chemical & Material Sciences
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Organic Chemistry
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General Health & Medical Sciences
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Steroid Compounds
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Abstract
Improvements in the object of the main patent No. 230.081, by procedure for the preparation of steroid hormone analogs, substituted in position 4, represented by the general structural formula ** (See formula) ** wherein R is (H) OH; = 0; (H) COCH3; (H) COCH2OH; (OH) COCH2OH R 'it is H2; (H) OH; = 0 R '' is OH; acyloxy characterized in that they comprise reacting a 4,5-epoxy-3-keto-steroid included in the general formula ** (See formula) ** (in which R and R 'have the meaning mentioned above), with boron trifluoride in an organic solvent. (Machine-translation by Google Translate, not legally binding)
ES0231618A1956-03-291956-10-29
PROCEDURE FOR THE PREPARATION OF STEROID HORMONE ANALOGUES SUBSTITUTED IN POSITION 4
ExpiredES231618A2
(en)
A procedure for the preparation of analogs of steroid hormones, substituted in the 2-alpha position. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of analogs of steroid hormones substituted in position 4 that present anabolic activity (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of analogs of steroid hormones, replaced in position 4, which present anabolic activity (Machine-translation by Google Translate, not legally binding)
Method of preparation of endomythenic analogue 1,2-dimetilexahidropirilazinas of the same and pharmaceutically acceptable adhesive salts (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of 3-or2'-amino tiazolo - (5 ', 4'-16,17) - estra 1,3,5 (10), 16-tetraens. (Machine-translation by Google Translate, not legally binding)