NL7412537A - PROCESS FOR PREPARING 16.17-CYCLIC ACETALS AND KETALS OF 9- (ALPHA) -HALOGENSTEROIDS. - Google Patents

PROCESS FOR PREPARING 16.17-CYCLIC ACETALS AND KETALS OF 9- (ALPHA) -HALOGENSTEROIDS.

Info

Publication number
NL7412537A
NL7412537A NL7412537A NL7412537A NL7412537A NL 7412537 A NL7412537 A NL 7412537A NL 7412537 A NL7412537 A NL 7412537A NL 7412537 A NL7412537 A NL 7412537A NL 7412537 A NL7412537 A NL 7412537A
Authority
NL
Netherlands
Prior art keywords
halogensteroids
ketals
alpha
preparing
cyclic acetals
Prior art date
Application number
NL7412537A
Other languages
Dutch (nl)
Original Assignee
Lark Spa
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.)
Filing date
Publication date
Application filed by Lark Spa filed Critical Lark Spa
Publication of NL7412537A publication Critical patent/NL7412537A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J71/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
NL7412537A 1974-05-17 1974-09-23 PROCESS FOR PREPARING 16.17-CYCLIC ACETALS AND KETALS OF 9- (ALPHA) -HALOGENSTEROIDS. NL7412537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2286674 1974-05-17

Publications (1)

Publication Number Publication Date
NL7412537A true NL7412537A (en) 1975-11-19

Family

ID=11201335

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7412537A NL7412537A (en) 1974-05-17 1974-09-23 PROCESS FOR PREPARING 16.17-CYCLIC ACETALS AND KETALS OF 9- (ALPHA) -HALOGENSTEROIDS.

Country Status (4)

Country Link
JP (1) JPS548675B2 (en)
DE (1) DE2448548A1 (en)
GB (1) GB1469575A (en)
NL (1) NL7412537A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221786A (en) * 1978-06-20 1980-09-09 Ciba-Geigy Corporation Novel halogenopregnadienes and process for the manufacture thereof
GR1001529B (en) * 1990-09-07 1994-03-31 Elmuquimica Farm Sl Process for the obtainment of a new pregna-1,4-diene-3,20-dione -16-17-acetal-21 esters
IT1291288B1 (en) * 1997-04-30 1999-01-07 Farmabios Srl PROCESS FOR THE PREPARATION OF 16,17 ACETALS OF PREGNAN DERIVATIVES WITH CONTROL OF THE EPIMERICAL DISTRIBUTION AT C-22.
US6266556B1 (en) 1998-04-27 2001-07-24 Beth Israel Deaconess Medical Center, Inc. Method and apparatus for recording an electroencephalogram during transcranial magnetic stimulation
EP1275656A1 (en) * 2001-07-11 2003-01-15 Genchem Pharma Limited Preparation of 9alpha-fluoro-11beta-hydroxypregnane 16,17-acetal derivatives
WO2005028495A1 (en) * 2003-09-24 2005-03-31 Glaxo Group Limited Anti-inflammatory glucocorticoids
DE102005009194B4 (en) * 2005-03-01 2006-12-14 Hpp-Hommel Pharmaceuticals Production Gmbh Process for the preparation of polymorphically stable triamcinolone acetonide
ITMI20080645A1 (en) * 2008-04-11 2009-10-12 Ind Chimica Srl PROCEDURE FOR THE PREPARATION OF BUDESONIDE
CN101348516B (en) * 2008-09-08 2010-08-18 天津太平洋化学制药有限公司 Refining process of triamcinolone acetonide raw medicine
CN106749493A (en) * 2017-01-09 2017-05-31 河南利华制药有限公司 A kind of preparation technology of Halcinonide intermediate
CN106905406A (en) * 2017-01-09 2017-06-30 河南利华制药有限公司 A kind of preparation technology of Triamcinolone acetonide

Also Published As

Publication number Publication date
GB1469575A (en) 1977-04-06
JPS548675B2 (en) 1979-04-17
JPS50149661A (en) 1975-11-29
DE2448548A1 (en) 1975-11-27

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