JPH0122280B2 - - Google Patents

Info

Publication number
JPH0122280B2
JPH0122280B2 JP20620881A JP20620881A JPH0122280B2 JP H0122280 B2 JPH0122280 B2 JP H0122280B2 JP 20620881 A JP20620881 A JP 20620881A JP 20620881 A JP20620881 A JP 20620881A JP H0122280 B2 JPH0122280 B2 JP H0122280B2
Authority
JP
Japan
Prior art keywords
chloride
reaction
xanthene
compound
methylprednisolone
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.)
Expired
Application number
JP20620881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58109500A (ja
Inventor
Saburo Sugai
Mitsuya Akaboshi
Shiro Ikegami
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.)
OTA PHARMA
Original Assignee
OTA PHARMA
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 OTA PHARMA filed Critical OTA PHARMA
Priority to JP20620881A priority Critical patent/JPS58109500A/ja
Publication of JPS58109500A publication Critical patent/JPS58109500A/ja
Publication of JPH0122280B2 publication Critical patent/JPH0122280B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Steroid Compounds (AREA)
JP20620881A 1981-12-22 1981-12-22 プレグナン系ステロイド17α―エステル,21―クロリド化合物の製造法 Granted JPS58109500A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20620881A JPS58109500A (ja) 1981-12-22 1981-12-22 プレグナン系ステロイド17α―エステル,21―クロリド化合物の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20620881A JPS58109500A (ja) 1981-12-22 1981-12-22 プレグナン系ステロイド17α―エステル,21―クロリド化合物の製造法

Publications (2)

Publication Number Publication Date
JPS58109500A JPS58109500A (ja) 1983-06-29
JPH0122280B2 true JPH0122280B2 (zh) 1989-04-25

Family

ID=16519561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20620881A Granted JPS58109500A (ja) 1981-12-22 1981-12-22 プレグナン系ステロイド17α―エステル,21―クロリド化合物の製造法

Country Status (1)

Country Link
JP (1) JPS58109500A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06104686B2 (ja) * 1985-05-15 1994-12-21 東邦チタニウム株式会社 オレフイン類重合用触媒成分の製造方法

Also Published As

Publication number Publication date
JPS58109500A (ja) 1983-06-29

Similar Documents

Publication Publication Date Title
CA1118411A (en) Corticoid 17-(alkyl carbonates) and processes for their preparation
JPH0113718B2 (zh)
US4284558A (en) Chemical process for fluorinating a tertiary carbon atom in the steroid nucleus
JPH0665286A (ja) 11−ケトステロイド誘導体の新製造法
JPS6340198B2 (zh)
US20170114088A1 (en) Process for the preparation of 17-desoxy-corticosteroids
EP1242444B1 (en) Process for preparing 17alpha-acetoxy-11beta- 4-n,n-(dimethylamino)phenyl]-21-methoxy-19-norpregna-4,9-diene-3,20-dione, intermediates useful in the process, and processes for preparing such intermediates
US3992422A (en) Process for the preparation of 21-halogeno-21-desoxy-17α-acyloxy-20-keto-pregnenes
EP0061416A1 (en) Process for the preparation of Delta 9(11)- and delta 16-21-chloro-20-keto steroids of the pregnane and D-homopregnane series and their use as intermediates for the synthesis of highly effective corticoids
US4383947A (en) Introduction of a fluorine atom
CA1101410A (en) Polyhalogenated steroids
JPH0122280B2 (zh)
JPS62142197A (ja) ステロイド類
JP2005530679A (ja) 6α−フルオロコルチコステロイドの調製方法
US4021459A (en) Process for the preparation of 21-halogeno-21-desoxy-17α-acyloxy 20-keto-pregnenes
EP1422235B1 (en) Stereoselective method of producing 6alpha-fluoropregnanes and intermediaries
JPH0123476B2 (zh)
HU187551B (en) Process for preparing androstene-17-thiones and -dithioketals
US4430270A (en) Process for the production of delta 4-C21-steroid compounds
JPH0361679B2 (zh)
JPS6362516B2 (zh)
US3980680A (en) Process for the preparation of 21-desoxy-17-acyloxy-4-pregnenes and of 21-iodo-21-desoxy-17-acyl oxy-4-pregnene intermediates useful therein
US4440689A (en) Acyloxysteroids and process for producing same
JPH0160479B2 (zh)
JPS6228160B2 (zh)