NL7702484A - PROCEDURE FOR PREPARING NEW CHOLESTEROL DERIVATIVES. - Google Patents

PROCEDURE FOR PREPARING NEW CHOLESTEROL DERIVATIVES.

Info

Publication number: NL7702484A
Authority: NL; Netherlands
Prior art keywords: procedure; cholesterol derivatives; preparing new; new cholesterol; preparing
Prior art date: 1976-03-08

Application number

NL7702484A

Other languages

Dutch (nl)

Original Assignee

Hoffmann La Roche

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1976-03-08

Filing date

1977-03-08

Publication date

1977-09-12

1976-03-08 Priority claimed from US05/664,833 external-priority patent/US4028349A/en

1976-03-08 Priority claimed from US05/664,848 external-priority patent/US4026882A/en

1976-03-08 Priority claimed from US05/664,799 external-priority patent/US4021423A/en

1977-03-08 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1977-09-12 Publication of NL7702484A publication Critical patent/NL7702484A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C401/00—Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J17/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/14—All rings being cycloaliphatic
- C07C2602/24—All rings being cycloaliphatic the ring system containing nine carbon atoms, e.g. perhydroindane

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Steroid Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NL7702484A 1976-03-08 1977-03-08 PROCEDURE FOR PREPARING NEW CHOLESTEROL DERIVATIVES. NL7702484A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US05/664,833 US4028349A (en)	1976-03-08	1976-03-08	Syntheses of 24R,25- and 24S,25-dihydroxycholesterol 24,25-ketals and alkanoyl derivatives thereof
US05/664,848 US4026882A (en)	1976-03-08	1976-03-08	Syntheses of 3,24R,25- and 3,24S,25-trihydroxy-5,7-cholestadiene 24,25-ketals and alkanoyl derivatives thereof
US05/664,799 US4021423A (en)	1976-03-08	1976-03-08	Syntheses of 24R,25- and 24S,25-dihydroxycholecalciferol

Publications (1)

Publication Number	Publication Date
NL7702484A true NL7702484A (en)	1977-09-12

Family

ID=27418118

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7702484A NL7702484A (en)	1976-03-08	1977-03-08	PROCEDURE FOR PREPARING NEW CHOLESTEROL DERIVATIVES.

Country Status (7)

Country	Link
JP (1)	JPS52108960A (en)
CH (4)	CH626336A5 (en)
DE (1)	DE2710062A1 (en)
FR (1)	FR2343727A1 (en)
GB (1)	GB1572952A (en)
IT (1)	IT1078064B (en)
NL (1)	NL7702484A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5735599A (en) *	1980-08-05	1982-02-26	Chugai Pharmaceut Co Ltd	24,25-dihydroxycholestane and its preparation
ATE15050T1 (en) *	1981-04-29	1985-09-15	Hoffmann La Roche	PROCESSES FOR THE PREPARATION OF CHOLESTERIND DERIVATIVES AND INTERMEDIATE PRODUCTS THEREOF.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1178427B (en) *	1961-01-26	1964-09-24	Olin Mathieson	Process for the preparation of 16ª ‡, 17ª ‡ -dihydroxysteroids of the pregnan series
US3715374A (en) *	1972-05-05	1973-02-06	Wisconsin Alumni Res Found	24,25-dihydroxycholecalciferol
US3901928A (en) *	1973-01-10	1975-08-26	Robert Henry Hesse	1' ,3' -dihydroxy steroid-5-enes method of preparing same and their use for preparing 1' -hydroxy-25-hydrogen vitamin d compounds
JPS51128417A (en) *	1975-04-28	1976-11-09	Teijin Ltd	A method for stabilizing active vitamin d3 derivatives

1977
- 1977-02-08 CH CH149077A patent/CH626336A5/en not_active IP Right Cessation
- 1977-02-28 IT IT20765/77A patent/IT1078064B/en active
- 1977-03-04 FR FR7706407A patent/FR2343727A1/en active Granted
- 1977-03-04 JP JP2291477A patent/JPS52108960A/en active Pending
- 1977-03-07 GB GB9480/77A patent/GB1572952A/en not_active Expired
- 1977-03-08 DE DE19772710062 patent/DE2710062A1/en not_active Ceased
- 1977-03-08 NL NL7702484A patent/NL7702484A/en not_active Application Discontinuation
1981
- 1981-03-25 CH CH202081A patent/CH627159A5/en not_active IP Right Cessation
- 1981-03-25 CH CH202181A patent/CH627764A5/en not_active IP Right Cessation
- 1981-03-25 CH CH202281A patent/CH627192A5/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2343727B1 (en)	1984-01-13
GB1572952A (en)	1980-08-06
IT1078064B (en)	1985-05-08
DE2710062A1 (en)	1977-09-15
JPS52108960A (en)	1977-09-12
CH627192A5 (en)	1981-12-31
FR2343727A1 (en)	1977-10-07
CH627159A5 (en)	1981-12-31
CH627764A5 (en)	1982-01-29
CH626336A5 (en)	1981-11-13

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NL7705754A (en)	1977-11-30	PROCEDURE FOR PREPARING URACIL DERIVATIVES.
NL7712149A (en)	1978-05-17	PROCEDURE FOR PREPARING NEW 1-ACYL--2-IMIDAZOLINS.
NL7800365A (en)	1978-07-17	PROCEDURE FOR PREPARING NEW 11B SUBSTITUTED STEROID DERIVATIVES.
NL7702484A (en)	1977-09-12	PROCEDURE FOR PREPARING NEW CHOLESTEROL DERIVATIVES.

Legal Events

Date	Code	Title
1984-05-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1987-11-02	BV	The patent application has lapsed