NZ236206A - Preparation of 2'-methyl-4'-methylenespiro(androstadiene-17,5'(4'h)-oxazol)-3-one derivatives from pregn-5-en-20-ylideneacetamide derivatives by treatment with vilsmeier reagent or acid - Google Patents

Preparation of 2'-methyl-4'-methylenespiro(androstadiene-17,5'(4'h)-oxazol)-3-one derivatives from pregn-5-en-20-ylideneacetamide derivatives by treatment with vilsmeier reagent or acid

Info

Publication number: NZ236206A
Authority: NZ; New Zealand
Prior art keywords: derivatives; ylideneacetamide; methylenespiro; androstadiene; pregn
Prior art date: 1989-11-27

Application number

NZ236206A

Inventor

Nicholas Carruthers

Sohaila Garshasb

Original Assignee

Schering Corp

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.)

1989-11-27

Filing date

1990-11-23

Publication date

1993-03-26

1990-11-23 Application filed by Schering Corp filed Critical Schering Corp

1993-03-26 Publication of NZ236206A publication Critical patent/NZ236206A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/005—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by an uninterrupted chain of only two carbon atoms, e.g. pregnane derivatives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/0094—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 containing nitrile radicals, including thiocyanide radicals
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J43/00—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C07J43/006—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton spiro-condensed

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Toxicology (AREA)
Steroid Compounds (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

NZ236206A 1989-11-27 1990-11-23 Preparation of 2'-methyl-4'-methylenespiro(androstadiene-17,5'(4'h)-oxazol)-3-one derivatives from pregn-5-en-20-ylideneacetamide derivatives by treatment with vilsmeier reagent or acid NZ236206A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US44150089A	1989-11-27	1989-11-27

Publications (1)

Publication Number	Publication Date
NZ236206A true NZ236206A (en)	1993-03-26

Family

ID=23753123

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NZ236206A NZ236206A (en)	1989-11-27	1990-11-23	Preparation of 2'-methyl-4'-methylenespiro(androstadiene-17,5'(4'h)-oxazol)-3-one derivatives from pregn-5-en-20-ylideneacetamide derivatives by treatment with vilsmeier reagent or acid

Country Status (14)

Country	Link
EP (1)	EP0502112A1 (en)
JP (1)	JPH05504561A (en)
KR (1)	KR927003619A (en)
AU (1)	AU636433B2 (en)
CA (1)	CA2069645A1 (en)
HU (1)	HUT61030A (en)
IE (1)	IE904252A1 (en)
IL (1)	IL96459A0 (en)
MY (1)	MY105302A (en)
NZ (1)	NZ236206A (en)
PT (1)	PT95988A (en)
TW (1)	TW218022B (en)
WO (1)	WO1991008218A1 (en)
ZA (1)	ZA909444B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN108033990A (en) *	2017-12-29	2018-05-15	广西万德药业有限公司	The preparation method of Dexamethasone Intermediate

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4102907A (en) *	1977-03-07	1978-07-25	The Upjohn Company	Desulfinylation process for preparing androsta-4,9(11)-diene-3,17-dione
US4127596A (en) *	1977-04-11	1978-11-28	The Upjohn Company	Non-aromatic oxygenated strong acid dehydration of 9α-hydroxyandrostenediones
FR2493324B1 (en) *	1980-11-05	1983-01-21	Roussel Uclaf
US4585590A (en) *	1984-02-03	1986-04-29	The Upjohn Company	Cyanohydrin process
EP0263569B1 (en) *	1986-10-10	1992-12-09	Roussel-Uclaf	9-alpha-hydroxysteroids, process for their preparation and process for the preparation of the corresponding 9(11)-dehydro-derivatives.
PT87687B (en) *	1987-06-12	1992-09-30	Gist Brocades Nv	PROCESS FOR THE PREPARATION OF 9 (11) -DEHYROID STEROIDS
WO1989009781A1 (en) *	1988-04-08	1989-10-19	Gist-Brocades N.V.	9-alpha-hydroxy-17-methylene steroids, their preparation and utilization

1990
- 1990-11-23 MY MYPI90002066A patent/MY105302A/en unknown
- 1990-11-23 ZA ZA909444A patent/ZA909444B/en unknown
- 1990-11-23 NZ NZ236206A patent/NZ236206A/en unknown
- 1990-11-23 IL IL96459A patent/IL96459A0/en unknown
- 1990-11-23 PT PT95988A patent/PT95988A/en not_active Application Discontinuation
- 1990-11-26 JP JP3501495A patent/JPH05504561A/en active Pending
- 1990-11-26 WO PCT/US1990/006754 patent/WO1991008218A1/en not_active Application Discontinuation
- 1990-11-26 KR KR1019920701227A patent/KR927003619A/en not_active Application Discontinuation
- 1990-11-26 TW TW079109973A patent/TW218022B/zh active
- 1990-11-26 IE IE425290A patent/IE904252A1/en unknown
- 1990-11-26 EP EP91901022A patent/EP0502112A1/en not_active Ceased
- 1990-11-26 HU HU921750A patent/HUT61030A/en unknown
- 1990-11-26 CA CA002069645A patent/CA2069645A1/en not_active Abandoned
- 1990-11-26 AU AU69625/91A patent/AU636433B2/en not_active Ceased

Also Published As

Publication number	Publication date
HUT61030A (en)	1992-11-30
HU9201750D0 (en)	1992-08-28
EP0502112A1 (en)	1992-09-09
AU636433B2 (en)	1993-04-29
TW218022B (en)	1993-12-21
MY105302A (en)	1994-09-30
ZA909444B (en)	1991-08-28
KR927003619A (en)	1992-12-18
JPH05504561A (en)	1993-07-15
WO1991008218A1 (en)	1991-06-13
IL96459A0 (en)	1991-08-16
IE904252A1 (en)	1991-06-05
CA2069645A1 (en)	1991-05-28
AU6962591A (en)	1991-06-26
PT95988A (en)	1991-09-13

Similar Documents

Publication	Publication Date	Title
EG19307A (en)	1994-11-30	Derivatives of propenoic acid useful as fungicides
PT86182A (en)	1987-12-01	Process for the preparation of 3-pyrrolidinylthio-1-azabicyclo]3,2,o"hept-2-ene-2-carboxylic acid compounds
KR950010075B1 (en)	1995-09-06	Process for the preparation of 1,2,3,6-tetrahydro-5-nitro-pyrimidine derivatives
HU900238D0 (en)	1990-03-28	Process for preparation of 1,4-disubstituted-piperidine-ketone derivatives
HU901428D0 (en)	1990-06-28	Process for the preparation of 5-substituted 1,4-dihydro-4-oxo-naphthiridine-3-carboxylic acid derivatives
HU902995D0 (en)	1990-09-28	Process for the preparation of oxophthalazinyl-acetic acid derivatives
CS392785A2 (en)	1990-08-14	Method of 1,3-oxazolidine-2-onane's derivatives preparation
HU905358D0 (en)	1992-01-28	Substituted bicycloheptane-dion-derivatives, process for the production of the compounds, and herbicide preparations containing the derivatives
PH25421A (en)	1991-07-01	New furanuronic acid derivatives, method of use thereof
CS412388A2 (en)	1990-11-14	Method of 7-piperazino-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxyl acid's derivatives production
DE3660595D1 (en)	1988-09-29	Process for the preparation of 4,4'-dinitrostilbene-disulfonic acid
EP0206147A3 (en)	1988-08-10	Process for the preparation of 4,4'-dinitrodibenzyls
EP0297496A3 (en)	1990-06-20	Novel process for the preparation of 6,7-diacyl-7-deacetylforskolin derivatives
EP0334097A3 (en)	1990-07-11	Process for the preparation of 4,4'-dihalogeno-bisphenyls
NZ236206A (en)	1993-03-26	Preparation of 2'-methyl-4'-methylenespiro(androstadiene-17,5'(4'h)-oxazol)-3-one derivatives from pregn-5-en-20-ylideneacetamide derivatives by treatment with vilsmeier reagent or acid
PL272668A1 (en)	1989-02-20	Method of obtaining 4,4'-dinitroethylbenedisulfonic-2,2'acid
PT83884B (en)	1988-12-14	Process for the preparation of 1 azolyl-3,3-dimethyl-tutan-2-on-and-ol derivatives
IL92465A0 (en)	1990-08-31	Process for the preparation of 4,4'-dibromodiphenylether
PT86624A (en)	1988-02-01	PROCESS FOR THE PREPARATION OF CYCLOALKANE-] 1,2-C [4,3-c: DIPYRAZOLES
PT85023A (en)	1987-07-01	Process for the preparation of substituted 2-phenylacetil-1,3,5-cyclohexanetriones and of intermediates
HU900036D0 (en)	1990-03-28	Process for preparation of 2,4-diamino-6-pyperidinyl-pyrimidin-3-n-oxide
AU589100B2 (en)	1989-09-28	Process for the preparation of N,N'-tetrathiodimorpholine
EP0258815A3 (en)	1988-10-19	Derivatives of 2,2-dimethyl-cyclopropanecarboxylic acid derivatives of 2,2-dimethyl-cyclopropanecarboxylic acid
EP0295119A3 (en)	1990-05-16	14-chlorodaunomycin and process for the preparation of 14-chlorodaunomycin, and process for the preparation of (2"r)-4'-0-tetrahydropyranyladriamycin
GR872083B (en)	1988-04-27	Preparation process of aminoalkanoyl-dibenzo (d,g),(1,3,6) dioxazocines