RO63492A - Procede pour obtenir des 2-(6'-carboalcoxyhexyl)-4(r)-hydroxycyclopentan-1,3-diones - Google Patents

Procede pour obtenir des 2-(6'-carboalcoxyhexyl)-4(r)-hydroxycyclopentan-1,3-diones

Info

Publication number: RO63492A
Authority: RO; Romania
Prior art keywords: carboalcoxyhexyl; hydroxycyclopentan; diones; obtaining
Prior art date: 1972-09-29

Application number

RO7300076179A

Other languages

English (en)

French (fr)

Inventor

Charles J Sih

Original Assignee

Wisconsin Alumni Res Found

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.)

1972-09-29

Filing date

1973-09-27

Publication date

1978-10-15

1973-09-27 Application filed by Wisconsin Alumni Res Found filed Critical Wisconsin Alumni Res Found

1978-10-15 Publication of RO63492A publication Critical patent/RO63492A/ro

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/67—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of saturated acids
- C07C69/716—Esters of keto-carboxylic acids or aldehydo-carboxylic acids
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P31/00—Preparation of compounds containing a five-membered ring having two side-chains in ortho position to each other, and having at least one oxygen atom directly bound to the ring in ortho position to one of the side-chains, one side-chain containing, not directly bound to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having at least one oxygen atom bound in gamma-position to the ring, e.g. prostaglandins
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/912—Absidia
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/913—Aspergillus
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/913—Aspergillus
- Y10S435/919—Aspergillus ustus
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/93—Hansenula
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/931—Mucor
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/933—Penicillium
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/94—Saccharomyces
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/94—Saccharomyces
- Y10S435/942—Saccharomyces cerevisiae
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/944—Torulopsis
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/8215—Microorganisms
- Y10S435/911—Microorganisms using fungi
- Y10S435/945—Trichoderma

Landscapes

Organic Chemistry (AREA)
Chemical & Material Sciences (AREA)
Wood Science & Technology (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Zoology (AREA)
Biotechnology (AREA)
Microbiology (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Biochemistry (AREA)
Bioinformatics & Cheminformatics (AREA)
General Engineering & Computer Science (AREA)
General Health & Medical Sciences (AREA)
Genetics & Genomics (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

RO7300076179A 1972-09-29 1973-09-27 Procede pour obtenir des 2-(6'-carboalcoxyhexyl)-4(r)-hydroxycyclopentan-1,3-diones RO63492A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US29345772A	1972-09-29	1972-09-29

Publications (1)

Publication Number	Publication Date
RO63492A true RO63492A (fr)	1978-10-15

Family

ID=23129170

Family Applications (6)

Application Number	Title	Priority Date	Filing Date
RO7300084468A RO63799A (fr)	1972-09-29	1973-09-27	Procede pour obtenir des 2(6-carboxyalcoxyhexyle-4-(r)-hidroxy-cyclopentane-1,3-diones)
RO7300076179A RO63492A (fr)	1972-09-29	1973-09-27	Procede pour obtenir des 2-(6'-carboalcoxyhexyl)-4(r)-hydroxycyclopentan-1,3-diones
RO7300084471A RO63802A (fr)	1972-09-29	1973-09-27	Procede d'obtenir des 2-(6-carboalcoxyhexyl)-4-(r)-hydroxy-cyclopentane-1,3-dione
RO7300084470A RO63801A (fr)	1972-09-29	1973-09-27	Procede pour la preparation des 2-6-carboalcoxyhexyle)-4-(r)hidroxy-ciclopentan-1,3-diones
RO7300084469A RO63800A (fr)	1972-09-29	1973-09-27	Procede pour la preparation des 2-6-carboalcoxyhexyle)-4-(r)hidroxy-ciclopentan-1,3-diones
RO7300084472A RO63803A (fr)	1972-09-29	1973-09-29	Procede pour obtenir des 2-(6-carboalcoxyhexyl)-4(r)-hydroxy-cyclopentan 1,3-dione

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
RO7300084468A RO63799A (fr)	1972-09-29	1973-09-27	Procede pour obtenir des 2(6-carboxyalcoxyhexyle-4-(r)-hidroxy-cyclopentane-1,3-diones)

Family Applications After (4)

Application Number	Title	Priority Date	Filing Date
RO7300084471A RO63802A (fr)	1972-09-29	1973-09-27	Procede d'obtenir des 2-(6-carboalcoxyhexyl)-4-(r)-hydroxy-cyclopentane-1,3-dione
RO7300084470A RO63801A (fr)	1972-09-29	1973-09-27	Procede pour la preparation des 2-6-carboalcoxyhexyle)-4-(r)hidroxy-ciclopentan-1,3-diones
RO7300084469A RO63800A (fr)	1972-09-29	1973-09-27	Procede pour la preparation des 2-6-carboalcoxyhexyle)-4-(r)hidroxy-ciclopentan-1,3-diones
RO7300084472A RO63803A (fr)	1972-09-29	1973-09-29	Procede pour obtenir des 2-(6-carboalcoxyhexyl)-4(r)-hydroxy-cyclopentan 1,3-dione

Country Status (22)

Country	Link
US (1)	US3773622A (ro)
JP (1)	JPS543953B2 (ro)
AR (1)	AR198695A1 (ro)
AT (1)	AT333689B (ro)
BE (1)	BE805491A (ro)
BG (1)	BG23209A3 (ro)
CA (1)	CA997696A (ro)
CH (1)	CH601143A5 (ro)
DD (1)	DD107434A5 (ro)
ES (1)	ES419174A1 (ro)
FR (1)	FR2201276B1 (ro)
GB (1)	GB1408732A (ro)
HU (1)	HU168883B (ro)
IE (1)	IE38191B1 (ro)
IL (1)	IL43146A (ro)
NL (1)	NL7312906A (ro)
NO (1)	NO138334C (ro)
PH (1)	PH10248A (ro)
PL (1)	PL91090B1 (ro)
RO (6)	RO63799A (ro)
SE (1)	SE397085B (ro)
ZA (1)	ZA735999B (ro)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3968141A (en) *	1972-11-27	1976-07-06	Wisconsin Alumni Research Foundation	Processes for stereospecifically preparing chiral 2-substituted-4-hydroxy-2-cyclopenten-1-one
US4172953A (en) *	1973-03-30	1979-10-30	G. D. Searle & Co.	2,3,5-Trisubstituted cyclopentanealkenoic acids, derivatives thereof and intermediates thereto
US3925156A (en) *	1973-12-10	1975-12-09	Miles Lab	Microbiological process for preparing 2-substituted-4-(r)-hydroxy-cyclopentane-1,3-diones
US4057851A (en) *	1974-06-12	1977-11-08	Wisconsin Alumni Research Foundation	Chiral 2-substituted-4-hydroxy-2-cyclopenten-1-one
US4052434A (en) *	1974-08-21	1977-10-04	The Regents Of The University Of California	Prostaglandin intermediates
GB1528382A (en) *	1974-12-26	1978-10-11	Teijin Ltd	Cyclopentene diols and acyl esters thereof and processes for their preparation
US4159998A (en) *	1978-09-11	1979-07-03	Miles Laboratories, Inc.	Process for the preparation of 2-(7-hydroxyalkyl)-4R, 4S or 4RS -hydroxy-cyclopent-2-enone

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR6915378D0 (pt) *	1969-08-22	1973-01-16	Syntex Corp	Aperfeicoamento num processo para a preparacao de 1-beta hidroxi-3-oxo-ciclo-alcanos

1972
- 1972-09-29 US US00293457A patent/US3773622A/en not_active Expired - Lifetime
1973
- 1973-08-31 ZA ZA735999A patent/ZA735999B/xx unknown
- 1973-08-31 IE IE1550/73A patent/IE38191B1/xx unknown
- 1973-09-03 IL IL43146A patent/IL43146A/en unknown
- 1973-09-04 CA CA180,192A patent/CA997696A/en not_active Expired
- 1973-09-12 CH CH1308773A patent/CH601143A5/xx not_active IP Right Cessation
- 1973-09-19 NL NL7312906A patent/NL7312906A/xx not_active Application Discontinuation
- 1973-09-24 GB GB4473273A patent/GB1408732A/en not_active Expired
- 1973-09-24 BG BG24599A patent/BG23209A3/xx unknown
- 1973-09-25 AR AR250239A patent/AR198695A1/es active
- 1973-09-25 PH PH15051A patent/PH10248A/en unknown
- 1973-09-27 JP JP10804973A patent/JPS543953B2/ja not_active Expired
- 1973-09-27 RO RO7300084468A patent/RO63799A/ro unknown
- 1973-09-27 RO RO7300076179A patent/RO63492A/ro unknown
- 1973-09-27 DD DD173722A patent/DD107434A5/xx unknown
- 1973-09-27 RO RO7300084471A patent/RO63802A/ro unknown
- 1973-09-27 RO RO7300084470A patent/RO63801A/ro unknown
- 1973-09-27 RO RO7300084469A patent/RO63800A/ro unknown
- 1973-09-28 FR FR7334933A patent/FR2201276B1/fr not_active Expired
- 1973-09-28 HU HUWI240A patent/HU168883B/hu unknown
- 1973-09-28 SE SE7313257A patent/SE397085B/xx unknown
- 1973-09-28 BE BE136198A patent/BE805491A/xx not_active IP Right Cessation
- 1973-09-28 NO NO3795/73A patent/NO138334C/no unknown
- 1973-09-28 ES ES419174A patent/ES419174A1/es not_active Expired
- 1973-09-29 RO RO7300084472A patent/RO63803A/ro unknown
- 1973-09-29 PL PL1973165530A patent/PL91090B1/pl unknown
- 1973-10-01 AT AT839573A patent/AT333689B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
IE38191L (en)	1974-03-29
NO138334B (no)	1978-05-08
SE397085B (sv)	1977-10-17
RO63800A (fr)	1978-10-15
RO63803A (fr)	1978-11-15
AR198695A1 (es)	1974-07-15
AT333689B (de)	1976-12-10
CA997696A (en)	1976-09-28
IL43146A0 (en)	1973-11-28
US3773622A (en)	1973-11-20
DE2348471A1 (de)	1974-04-18
DD107434A5 (ro)	1974-08-05
ES419174A1 (es)	1976-04-16
RO63801A (fr)	1978-10-15
IE38191B1 (en)	1978-01-18
JPS4975786A (ro)	1974-07-22
FR2201276A1 (ro)	1974-04-26
PL91090B1 (ro)	1977-02-28
IL43146A (en)	1976-05-31
RO63799A (fr)	1978-12-15
JPS543953B2 (ro)	1979-02-28
RO63802A (fr)	1978-11-15
FR2201276B1 (ro)	1977-05-27
BE805491A (fr)	1974-01-16
CH601143A5 (ro)	1978-06-30
HU168883B (ro)	1976-07-28
AU5991473A (en)	1975-03-06
PH10248A (en)	1976-10-14
DE2348471B2 (de)	1975-08-28
NO138334C (no)	1978-08-16
BG23209A3 (ro)	1977-07-12
ZA735999B (en)	1974-09-25
GB1408732A (en)	1975-10-01
NL7312906A (ro)	1974-04-02
ATA839573A (de)	1976-04-15

Publication	Publication Date	Title
CH556815A (fr)	1974-12-13	Procede pour la preparation des propylamines.
RO69708A (ro)	1981-04-30	Procedeu pentru obtinerea metilmercaptanilor
RO66030A (ro)	1980-06-15	Procedeu de preparare a cetonelor aralifatice
RO62861A (fr)	1977-11-15	Procede pour la preparation des di-n-oxydes-(1,4)-benzo-1,2,4-triazines
RO62510A (fr)	1978-02-15	Procede pour obtenir des 1,2,4-triazin-5-ones
RO62622A (fr)	1978-05-15	Procede pour la preparation des 1-hydroxy-2-pyridones
RO63442A (fr)	1978-07-15	Procede pour obtenir des derives d'oxazole 3,4,5-trisubstitue
RO62817A (fr)	1977-10-15	Procede pour la preparation des 1-acyle-3-aminosulfonyle-2-benzimidazoles
CH557639A (fr)	1975-01-15	Procede pour l'obtention de fromages.
BE807434A (fr)	1974-05-16	Procede pour la preparation de 3,6-dihalo-diphenyl-alcanes
RO63492A (fr)	1978-10-15	Procede pour obtenir des 2-(6'-carboalcoxyhexyl)-4(r)-hydroxycyclopentan-1,3-diones
RO63964A (fr)	1979-06-15	Procede pour obtenir des 3,4-dihydro-2h-pyranes-2,4-diones a action herbicide
RO64170A (fr)	1979-03-15	Procede pour obtenir l'antibiotique a-2315
RO65788A (ro)	1980-06-15	Procedeu pentru obtinerea unor peniciline
RO62772A (fr)	1977-12-15	Procede pour obtenir des oximcarbamates n-sulfeniles
RO63435A (fr)	1978-05-15	Procede pour obtenir des copolymeres isobutylene-isoprene
RO71515A (ro)	1982-10-26	Procedeu pentru obtinerea unor derivati ai bis-piperazino-androstanului
RO62467A (fr)	1977-11-15	Procede pour la preparation des 1-hydrocarbyl-3,4,5-tribrompyrazoles substitues
RO77618A (ro)	1981-11-04	Procedeu pentru obtinerea inhibitorilor de zaharoza
BE802499A (fr)	1974-01-18	Procede raccourci pour obtenir des teintures unies
RO62811A (fr)	1977-11-15	Procede pour la preparation des 2-amimo-4-h-pyrannes
RO62774A (fr)	1978-02-15	Procede pour la preparation des ryphamicynes s.v
RO62821A (fr)	1977-12-15	Procede pour la preparation des 3-(2-tertiaire-amino-1-hydroxyethyle)-5-phenylisoxazoles
BE796204A (fr)	1973-09-03	Procede pour la preparation de 3,4,5,6,7,8-hexahydrocoumarine
RO63439A (fr)	1978-08-15	Procede pour obtenir desacetoxycephalosporine c