JPS5212179A - Preparation of 17alpha ,21-cyclic orthoesters of pregnane steroids - Google Patents

Preparation of 17alpha ,21-cyclic orthoesters of pregnane steroids

Info

Publication number
JPS5212179A
JPS5212179A JP50073090A JP7309075A JPS5212179A JP S5212179 A JPS5212179 A JP S5212179A JP 50073090 A JP50073090 A JP 50073090A JP 7309075 A JP7309075 A JP 7309075A JP S5212179 A JPS5212179 A JP S5212179A
Authority
JP
Japan
Prior art keywords
17alpha
preparation
pregnane steroids
cyclic orthoesters
pregnane
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP50073090A
Other languages
Japanese (ja)
Other versions
JPS5443511B2 (en
Inventor
Noriaki Kamano
Kazuhiko Michishita
Teruya Aka
Ichiro Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taisho Pharmaceutical Co Ltd
Original Assignee
Taisho Pharmaceutical Co Ltd
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 Taisho Pharmaceutical Co Ltd filed Critical Taisho Pharmaceutical Co Ltd
Priority to JP50073090A priority Critical patent/JPS5212179A/en
Publication of JPS5212179A publication Critical patent/JPS5212179A/en
Publication of JPS5443511B2 publication Critical patent/JPS5443511B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Steroid Compounds (AREA)

Abstract

PURPOSE: Title compounds are readily obtained in good yields of 50W90% by the reaction of 17α, 21-dihydroxy derivatives of pregnane steroids with iminoether hydrochlorides.
COPYRIGHT: (C)1977,JPO&Japio
JP50073090A 1975-06-18 1975-06-18 Preparation of 17alpha ,21-cyclic orthoesters of pregnane steroids Granted JPS5212179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50073090A JPS5212179A (en) 1975-06-18 1975-06-18 Preparation of 17alpha ,21-cyclic orthoesters of pregnane steroids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50073090A JPS5212179A (en) 1975-06-18 1975-06-18 Preparation of 17alpha ,21-cyclic orthoesters of pregnane steroids

Publications (2)

Publication Number Publication Date
JPS5212179A true JPS5212179A (en) 1977-01-29
JPS5443511B2 JPS5443511B2 (en) 1979-12-20

Family

ID=13508280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50073090A Granted JPS5212179A (en) 1975-06-18 1975-06-18 Preparation of 17alpha ,21-cyclic orthoesters of pregnane steroids

Country Status (1)

Country Link
JP (1) JPS5212179A (en)

Also Published As

Publication number Publication date
JPS5443511B2 (en) 1979-12-20

Similar Documents

Publication Publication Date Title
AU562739B2 (en) 3 keto delta4,9,19-nor steroid derivatives
JPS5238673A (en) Device for controlling the mortar blending
JPS5212179A (en) Preparation of 17alpha ,21-cyclic orthoesters of pregnane steroids
JPS52136157A (en) Preparation of steroid 17-esters
JPS5210489A (en) Preparation of 17-esters of pregnane steroids
JPS52144663A (en) Preparation of pregnane steroid 17alpha-ester 21-halides
JPS51149258A (en) A process for preparing steroid derivatives
JPS52153947A (en) Dicyclododecyl peroxycarbonate
JPS5315360A (en) Preparation of pregnane compound 17 alpha-esters
JPS5233624A (en) Preparation of leucylnitroagmatines
JPS5371056A (en) Steroid derivs.
JPS5283446A (en) Preparation of hydrocortisone derivatives
JPS5236654A (en) Process for preparation of steroid derivatives
JPS5251378A (en) Preparation of 4(3h)-quinazolinone derivatives
JPS52144664A (en) Steroid derivatives
JPS5211724A (en) Drive system for gas discharge panel
JPS5263948A (en) Reinforcing materials for polyolefins
JPS51136885A (en) New biologically active substance, ml-236a, and its pr eparation
JPS5265281A (en) Preparation of n4-dimethylamino methylene-arabinofuranosil cytosine
JPS5248655A (en) Preparation of 19-nor-3-hydroxy-1,3,5(10)-triene steroids
JPS5371055A (en) Preparation of steroid derivs.
JPS51146754A (en) Execution for fitting a roof drain
JPS51139688A (en) Process for preparing new alkaloid tm-64 substance by fermentation
JPS5295636A (en) Preparation of oxime derivatives
JPS51112515A (en) A process for preparing anti-novel steroid serum,specific to 16alpha -hydroxy-5-ensteroid