DD132347A5 - Verfahren zur herstellung von 17-acetalen von 3-alkoxy-oestra-2,5(10)-dien-17-onen - Google Patents

Verfahren zur herstellung von 17-acetalen von 3-alkoxy-oestra-2,5(10)-dien-17-onen

Info

Publication number: DD132347A5
Authority: DD; German Democratic Republic
Prior art keywords: oestra; acetales; onen; alkoxy; preparation
Prior art date: 1976-04-19

Application number

DD19844877A

Other languages

English (en)

Inventor

Hideo Nagoshi

Susumu Kanno

Tadashi Oohama

Ryozo Yamaguchi

Original Assignee

Mitsubishi Chem Ind

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.)

1976-04-19

Filing date

1977-04-18

Publication date

1978-09-20

1976-04-19 Priority claimed from JP4429576A external-priority patent/JPS52128362A/ja

1976-12-07 Priority claimed from JP14683576A external-priority patent/JPS5371053A/ja

1977-04-18 Application filed by Mitsubishi Chem Ind filed Critical Mitsubishi Chem Ind

1978-09-20 Publication of DD132347A5 publication Critical patent/DD132347A5/de

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
- C07J1/0051—Estrane derivatives
- C07J1/0081—Substituted in position 17 alfa and 17 beta
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C07J21/005—Ketals
- C07J21/008—Ketals at position 17

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Steroid Compounds (AREA)

DD19844877A 1976-04-19 1977-04-18 Verfahren zur herstellung von 17-acetalen von 3-alkoxy-oestra-2,5(10)-dien-17-onen DD132347A5 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP4429576A JPS52128362A (en)	1976-04-19	1976-04-19	Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one
JP14683576A JPS5371053A (en)	1976-12-07	1976-12-07	Preparation of 17-acetal of 3-alkoxyestra-2,5(10)-diene-17-one

Publications (1)

Publication Number	Publication Date
DD132347A5 true DD132347A5 (de)	1978-09-20

Family

ID=26384146

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD19844877A DD132347A5 (de)	1976-04-19	1977-04-18	Verfahren zur herstellung von 17-acetalen von 3-alkoxy-oestra-2,5(10)-dien-17-onen

Country Status (5)

Country	Link
DD (1)	DD132347A5 (de)
DE (1)	DE2717310A1 (de)
FR (1)	FR2348931A1 (de)
GB (1)	GB1527699A (de)
NL (1)	NL7704220A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59141600A (ja) *	1983-02-02	1984-08-14	Mitsubishi Chem Ind Ltd	エストロンの製造法

1977
- 1977-04-13 GB GB1539677A patent/GB1527699A/en not_active Expired
- 1977-04-18 DD DD19844877A patent/DD132347A5/de unknown
- 1977-04-18 NL NL7704220A patent/NL7704220A/xx not_active Application Discontinuation
- 1977-04-19 DE DE19772717310 patent/DE2717310A1/de not_active Withdrawn
- 1977-04-19 FR FR7711713A patent/FR2348931A1/fr active Granted

Also Published As

Publication number	Publication date
NL7704220A (nl)	1977-10-21
FR2348931B1 (de)	1980-06-06
DE2717310A1 (de)	1977-11-03
FR2348931A1 (fr)	1977-11-18
GB1527699A (en)	1978-10-04

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