HUT64049A - Process for producing (4r-cis)-(1,1-dimethylethyl)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetate, the compound and its intermediates - Google Patents

Process for producing (4r-cis)-(1,1-dimethylethyl)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetate, the compound and its intermediates

Info

Publication number
HUT64049A
HUT64049A HU931122A HU9301122A HUT64049A HU T64049 A HUT64049 A HU T64049A HU 931122 A HU931122 A HU 931122A HU 9301122 A HU9301122 A HU 9301122A HU T64049 A HUT64049 A HU T64049A
Authority
HU
Hungary
Prior art keywords
cyanomethyl
dimethylethyl
dioxane
cis
dimethyl
Prior art date
Application number
HU931122A
Other languages
English (en)
Other versions
HU9301122D0 (en
HU213731B (en
Inventor
Alan Millar
Donald Eugene Butler
Original Assignee
Warner Lambert Co
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 Warner Lambert Co filed Critical Warner Lambert Co
Priority to HU9701183A priority Critical patent/HU219237B/hu
Publication of HU9301122D0 publication Critical patent/HU9301122D0/hu
Publication of HUT64049A publication Critical patent/HUT64049A/hu
Publication of HU213731B publication Critical patent/HU213731B/hu

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D319/00Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/041,3-Dioxanes; Hydrogenated 1,3-dioxanes
    • C07D319/061,3-Dioxanes; Hydrogenated 1,3-dioxanes not condensed with other rings
HU9301122A 1990-10-17 1991-09-11 Process for producing (4r-cis)-(1,1-dimethylethyl)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetate HU213731B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU9701183A HU219237B (en) 1990-10-17 1991-09-11 (4r-cis)-[(1,1-dimethyl-ethyl)]-6-[substituted]-2,2-dimethyl-1,3-dioxane-4-acetate intermediates and process for producing them

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/599,521 US5103024A (en) 1990-10-17 1990-10-17 Process for the synthesis of (4r-cis)-1,1-dimethylethyl 6-cyanomethyl-2,2-dimethyl-1,3-dioxane-4-acetate

Publications (3)

Publication Number Publication Date
HU9301122D0 HU9301122D0 (en) 1993-08-30
HUT64049A true HUT64049A (en) 1993-11-29
HU213731B HU213731B (en) 1997-09-29

Family

ID=24399962

Family Applications (2)

Application Number Title Priority Date Filing Date
HU9301122A HU213731B (en) 1990-10-17 1991-09-11 Process for producing (4r-cis)-(1,1-dimethylethyl)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetate
HU9701183A HU219237B (en) 1990-10-17 1991-09-11 (4r-cis)-[(1,1-dimethyl-ethyl)]-6-[substituted]-2,2-dimethyl-1,3-dioxane-4-acetate intermediates and process for producing them

Family Applications After (1)

Application Number Title Priority Date Filing Date
HU9701183A HU219237B (en) 1990-10-17 1991-09-11 (4r-cis)-[(1,1-dimethyl-ethyl)]-6-[substituted]-2,2-dimethyl-1,3-dioxane-4-acetate intermediates and process for producing them

Country Status (20)

Country Link
US (1) US5103024A (hu)
EP (1) EP0553213B1 (hu)
JP (1) JP3105923B2 (hu)
KR (1) KR0166385B1 (hu)
AT (1) ATE118772T1 (hu)
AU (1) AU646311B2 (hu)
CA (1) CA2092997C (hu)
CZ (5) CZ124697A3 (hu)
DE (1) DE69107622T2 (hu)
DK (1) DK0553213T3 (hu)
ES (1) ES2070519T3 (hu)
FI (1) FI108539B (hu)
HK (1) HK1005026A1 (hu)
HU (2) HU213731B (hu)
IE (1) IE62940B1 (hu)
NO (1) NO301588B1 (hu)
PT (1) PT99244B (hu)
RU (1) RU2067580C1 (hu)
SK (5) SK280941B6 (hu)
WO (1) WO1992006968A1 (hu)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149837A (en) * 1988-02-22 1992-09-22 Warner-Lambert Company Process for trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one inhibitors of cholesterol synthesis
US5245047A (en) * 1988-02-22 1993-09-14 Warner-Lambert Company Process for trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one inhibitors of cholesterol synthesis
US5298627A (en) * 1993-03-03 1994-03-29 Warner-Lambert Company Process for trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one inhibitors of cholesterol synthesis
HRP960312B1 (en) 1995-07-17 2001-10-31 Warner Lambert Co NOVEL PROCESS FOR THE PRODUCTION OF AMORPHOUS /R-(R*, R*)/-2-(4-FLUOROPHENYL)-"beta", "delta"-DIHYDROXY-5-PHENYL-4-/(PHENYLAMINO)CARBONYL/-1H-PYRROLE -1-HEPTANOIC ACID CALCIUM SALT (2 : 1)
US6087511A (en) * 1996-07-16 2000-07-11 Warner-Lambert Company Process for the production of amorphous [R-(R*,R*)]-2-(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl )-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid) calcium salt (2:1)
WO1999057109A1 (fr) * 1998-04-30 1999-11-11 Kaneka Corporation Procede de production de derives d'acide acetique 6-cyanomethyl-1,3-dioxane-4
HU227840B1 (en) * 1999-05-06 2012-05-02 Egis Gyogyszergyar Nyilvanosan M Kod Ruszvunytarsasag Intermediates of atorvastatin synthesis and process for producing them
IN191236B (hu) * 1999-05-25 2003-10-11 Ranbaxy Lab Ltd
US20040063969A1 (en) * 1999-10-18 2004-04-01 Egis Gyogyszergyar Rt. Process for the preparation of amorphous atorvastatin calcium
IL149087A0 (en) 1999-12-17 2002-11-10 Warner Lambert Res & Dev Ie A factory scale process for producing crystalline atorvastatin trihydrate hemi calcium
EP1242373B1 (en) 1999-12-17 2006-03-15 Pfizer Science and Technology Ireland Limited A process for producing crystalline atorvastatin calcium
US20040014195A1 (en) * 1999-12-29 2004-01-22 Diversa Corporation Nitrilases, nucleic acids encoding them and methods for making and using them
US7300775B2 (en) * 1999-12-29 2007-11-27 Verenium Corporation Methods for producing α-substituted carboxylic acids using nitrilases and strecker reagents
US7608445B1 (en) 1999-12-29 2009-10-27 Verenium Corporation Nitrilases, nucleic acids encoding them and methods for making and using them
US7521216B2 (en) * 1999-12-29 2009-04-21 Verenium Corporation Nitrilases and methods for making and using them
JP3844112B2 (ja) 2000-08-23 2006-11-08 高砂香料工業株式会社 3,5,6−トリヒドロキシヘキサン酸アンモニウム塩誘導体、及びその製造方法
EP1734034A3 (en) 2001-01-09 2007-01-03 Warner-Lambert Company LLC Carboxylic acid salts of beta-alanine esters or -amides
US6476235B2 (en) 2001-01-09 2002-11-05 Warner-Lambert Company Process for the synthesis of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide
WO2002057229A1 (en) * 2001-01-19 2002-07-25 Biocon India Limited FORM V CRYSTALLINE [R-(R*,R*)]-2-(4-FLUOROPHENYL)-ß,$G(D)-DIHYDROXY-5-(1-METHYLETHYL)-3-PHENYL-4-[(PHENYLAMINO)CARBONYL]-1H-PYRROLE-1- HEPTANOIC ACID HEMI CALCIUM SALT. (ATORVASTATIN)
SI20814A (sl) * 2001-01-23 2002-08-31 LEK, tovarna farmacevtskih in kemi�nih izdelkov, d.d. Priprava amorfnega atorvastatina
SI20848A (sl) 2001-03-14 2002-10-31 Lek, Tovarna Farmacevtskih In Kemijskih Izdelkov, D.D. Farmacevtska formulacija, ki vsebuje atorvastatin kalcij
GEP20053546B (en) 2001-06-29 2005-06-10 Warner Lambert Co Crystalline Forms of 'R-(R*,R*)!-2-(4- Fluorophenyl)-Beta, Delta-Dihydroxy-5-(1-Methylethyl)-3-Phenyl-4-'Phenylamino) Carbonyl!-1H-Pyrrole-1-Heptanoic Acid Calcium Salt (2:1) (Atorvastatin)
GB0116212D0 (en) * 2001-07-03 2001-08-29 Avecia Ltd Process
CN100471836C (zh) 2001-07-30 2009-03-25 雷迪实验室有限公司 托伐他汀钙晶型vi和vii
PE20030324A1 (es) * 2001-07-31 2003-04-03 Warner Lambert Co Composiciones farmaceuticas de amlodipina y atorvastatina
EP1572638A4 (en) * 2001-08-31 2010-05-05 Morepen Lab Ltd IMPROVED PROCESS FOR THE PREPARATION OF AMORPHOUS CALCIUM ATORVASTATIN SALT (2: 1)
HU227124B1 (en) * 2001-09-14 2010-07-28 Egis Gyogyszergyar Nyilvanosan Polymorphs of 1-pyrrole derivative, intermediate for the preparation of atorvastatin
UA77990C2 (en) * 2001-12-12 2007-02-15 Crystalline calcium salt of (2:1) [r-(r*,r*)]-2-(4-fluorophenyl)-?,?-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1h-pyrroleheptanic acid
CZ296967B6 (cs) * 2002-02-01 2006-08-16 Zentiva, A.S. Zpusob výroby amorfní formy hemivápenaté soli (3R,5R) 7-[3-fenyl-4-fenylkarbamoyl-2-(4-fluorfenyl)-5-isopropylpyrrol-1-yl]-3,5-dihydroxyheptanové kyseliny (atorvastatinu)
DE10212492B4 (de) * 2002-03-21 2012-02-02 Daimler Ag Kolbenpumpe
US7932064B2 (en) 2002-06-13 2011-04-26 Verenium Corporation Processes for making (R)-ethyl 4-cyano-3-hydroxybutyric acid
CN100357289C (zh) * 2002-08-06 2007-12-26 沃尼尔·朗伯有限责任公司 制备5-(4-氟苯基)-1-[2-((2r,4r)-4-羟基-6-氧代-四氢-吡喃-2-基)乙基]-2-异丙基-4-苯基-1h-吡咯-3-羧酸苯基酰胺的方法
WO2004022053A1 (en) * 2002-09-03 2004-03-18 Morepen Laboratories Limited Atorvastatin calcium form vi or hydrates thereof
KR100529703B1 (ko) * 2002-09-23 2005-11-17 임광민 키랄 중간체의 제조방법 및 그를 이용한 아토바스타틴의제조방법
HRP20020885B1 (en) * 2002-11-11 2007-05-31 GlaxoSmithKline istra�iva�ki centar Zagreb d.o.o. SUBSTITUTED 9a-N-{N'-[4-(SULFONYL)PHENYLCARBAMOYL]}DERIVATIVES 9-DEOXO-9-DIHYDRO-9a-AZA-9a-HOMOERITHROMYCIN A AND 5-O-DESOZAMINYL-9-DEOXO-9-DIHYDRO-9a-AZA-9a-HOMOERITHRONOLIDE A
US20060205804A1 (en) * 2003-04-14 2006-09-14 Nelson James D Process for preparing 5-(4-fluorophenyl)-1-[2r,4r)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl) ethyl]-2-isopropyl-4-phenyl-1h-pyrrole-3-carboxylic acid phenylamide
US20040248972A1 (en) * 2003-05-16 2004-12-09 Ambit Biosciences Corporation Compounds and uses thereof
EP1626713A2 (en) * 2003-05-16 2006-02-22 Ambit Biosciences Corporation Heterocyclic compounds and uses thereof
US20050182125A1 (en) * 2003-05-16 2005-08-18 Ambit Biosciences Corporation Pyrrole compounds and uses thereof
US7790197B2 (en) * 2003-06-09 2010-09-07 Warner-Lambert Company Llc Pharmaceutical compositions of atorvastatin
US7655692B2 (en) * 2003-06-12 2010-02-02 Pfizer Inc. Process for forming amorphous atorvastatin
US20050271717A1 (en) * 2003-06-12 2005-12-08 Alfred Berchielli Pharmaceutical compositions of atorvastatin
US20040253305A1 (en) * 2003-06-12 2004-12-16 Luner Paul E. Pharmaceutical compositions of atorvastatin
JP4820965B2 (ja) * 2003-07-25 2011-11-24 ブラッドフォード・ファーマ・リミテッド スタチン、特にアトルバスタチンの調製において有用な方法および中間体化合物
MXPA06003003A (es) * 2003-09-17 2006-06-23 Warner Lambert Co Formas cristalinas de acido [r-(r*, r*)]-2-(4- fluorofenil)-(, (-dihidroxi -5-(1- metiletil)-3 -fenil-4 -[(fenilamino) -carbonil]- 1h-pirrol -1-heptanoico.
CA2456430A1 (en) * 2004-01-28 2005-07-28 Brantford Chemicals Inc. Improved process for the preparation of amorphous atorvastatin calcium
CN1942439B (zh) 2004-03-17 2011-12-21 兰贝克赛实验室有限公司 无定形形式的阿托伐他汀钙的制备方法
RU2330840C1 (ru) * 2004-04-16 2008-08-10 Пфайзер Продактс Инк. Способ получения аморфного кальций аторвастатина
CA2649054A1 (en) 2004-05-05 2005-11-10 Pfizer Products Inc. Salt forms of [r-(r*,r*)]-2-(4-fluorophenyl)-.beta., .delta.-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1h-pyrrole-1-heptanoic acid
CA2833770A1 (en) * 2004-07-16 2006-01-26 Lek Pharmaceuticals D.D Oxidative degradation products of atorvastatin calcium
CA2672554C (en) 2004-07-20 2012-01-03 Warner-Lambert Company Llc Novel forms of [r-(r*,r*)]-2-(4-fluorophenyl).beta.,.delta.-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1h-pyrrole-1-heptanoic acid calcium salt (2:1)
JP2008510798A (ja) * 2004-08-27 2008-04-10 バイオコン・リミテッド 非晶質アトルバスタチンカルシウムのための方法
US7939675B2 (en) 2004-10-28 2011-05-10 Pfizer, Inc. Process for forming amorphous atorvastatin
AU2005305460B2 (en) 2004-11-22 2011-04-21 Dexcel Pharma Technologies Ltd. Stable atorvastatin formulations
EP1819319A1 (en) * 2004-12-02 2007-08-22 Warner-Lambert Company LLC Pharmaceutical compositions of amorphous atorvastatin and process for preparing same
JP2009507822A (ja) * 2005-09-09 2009-02-26 ファイザー・サイエンス・アンド・テクノロジー・アイルランド・リミテッド アトルバスタチン中間体の調製
WO2007029216A1 (en) * 2005-09-09 2007-03-15 Pfizer Science And Technology Ireland Limited Preparation of an atorvastatin intermediate
US20090216029A1 (en) * 2005-09-16 2009-08-27 Yatendra Kumar Process for the production of atorvastatin calcium in amorphous form
CA2547216A1 (en) 2005-09-21 2007-03-21 Renuka D. Reddy Process for annealing amorphous atorvastatin
DE602006014193D1 (de) 2005-11-21 2010-06-17 Warner Lambert Co Neue formen von är-(r*,r*)ü-2-(4-fluorphenyl)-b,d-dihydroxy-5-(1-methylethyl)-3-phenyl-4-ä(phenylamino)carbonylü-1h-pyrrol-1-heptansäure-magnesium
EP1810667A1 (en) 2006-01-20 2007-07-25 KRKA, tovarna zdravil, d.d., Novo mesto Pharmaceutical composition comprising amorphous atorvastatin
WO2008053312A2 (en) * 2006-11-02 2008-05-08 Cadila Pharmaceuticals Limited Process for preparing amorphous atorvastatin hemi calcium salt and its intermediate
US7834195B2 (en) * 2007-01-24 2010-11-16 Apotex Pharmachem Inc. Atorvastatin calcium propylene glycol solvates
EP2115153B1 (en) 2007-03-01 2013-06-05 BP Corporation North America Inc. Nitrilases, nucleic acids encoding them and methods for making and using them
US20110142883A1 (en) * 2007-07-20 2011-06-16 Actavis Group Ptc Ehf Amorphous Coprecipitates of Atorvastatin Pharmaceutically Acceptable Salts
EP2075246A1 (en) 2007-12-27 2009-07-01 M. J. Institute of Research A process for preparation of amorphous form of atorvastatin hemi-calcium salt
US8115015B2 (en) * 2009-01-26 2012-02-14 Cadila Healthcare Limited Process for the preparation of amorphous atorvastatin calcium
HUE025861T2 (hu) * 2010-09-09 2016-05-30 Dsm Sinochem Pharm Nl Bv 7-Amino-3,5-dihidroxi-heptánsav-észterek sói
WO2013004591A1 (en) 2011-07-01 2013-01-10 Dsm Sinochem Pharmaceuticals Netherlands B.V. Micronized crystals of atorvastatin hemicalcium
WO2016056031A1 (en) 2014-10-08 2016-04-14 Council Of Scientific & Industrial Research Novel diol compounds synthesis and its use for formal synthesis of (2r, 3 s)-3-hydroxypipecolic acid
CN106008251A (zh) * 2016-05-19 2016-10-12 河南豫辰药业股份有限公司 一种2-苯甲撑-3-氧代-4-甲基-n-苯基戊酰胺的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647576A (en) * 1984-09-24 1987-03-03 Warner-Lambert Company Trans-6-[2-(substitutedpyrrol-1-yl)alkyl]-pyran-2-one inhibitors of cholesterol synthesis
US4681893A (en) * 1986-05-30 1987-07-21 Warner-Lambert Company Trans-6-[2-(3- or 4-carboxamido-substituted pyrrol-1-yl)alkyl]-4-hydroxypyran-2-one inhibitors of cholesterol synthesis
US5003080A (en) * 1988-02-22 1991-03-26 Warner-Lambert Company Process for trans-6-(2-(substituted-pyrrol-1-yl)alkyl)pryan-2-one inhibitors of cholesterol synthesis
US5093363A (en) * 1989-08-22 1992-03-03 Shionogi & Co., Ltd. 2,4,6-substituted phenol derivatives
DE3929913A1 (de) * 1989-09-08 1991-04-04 Hoechst Ag 4-hydroxytetrahydropyran-2-one sowie die entsprechenden dihydroxycarbonsaeurederivate, salze und ester, verfahren zu ihrer herstellung, ihre verwendung als arzneimittel, pharmazeutische praeparate sowie vorprodukte

Also Published As

Publication number Publication date
AU8848091A (en) 1992-05-20
HK1005026A1 (en) 1998-12-18
SK280940B6 (sk) 2000-09-12
CZ209495A3 (en) 1997-12-17
CA2092997C (en) 2002-05-14
DK0553213T3 (da) 1995-07-17
ATE118772T1 (de) 1995-03-15
US5103024A (en) 1992-04-07
CZ282993B6 (cs) 1997-12-17
CZ282922B6 (cs) 1997-11-12
SK280938B6 (sk) 2000-09-12
KR0166385B1 (en) 1999-01-15
DE69107622D1 (de) 1995-03-30
HU9701183D0 (en) 1997-09-29
SK33993A3 (en) 1993-10-06
RU2067580C1 (ru) 1996-10-10
DE69107622T2 (de) 1995-07-06
NO301588B1 (no) 1997-11-17
SK280942B6 (sk) 2000-09-12
EP0553213A1 (en) 1993-08-04
CZ282992B6 (cs) 1997-12-17
CZ124797A3 (en) 1997-12-17
IE62940B1 (en) 1995-03-08
HU9301122D0 (en) 1993-08-30
HU213731B (en) 1997-09-29
SK280939B6 (sk) 2000-09-12
JP3105923B2 (ja) 2000-11-06
WO1992006968A1 (en) 1992-04-30
JPH06502162A (ja) 1994-03-10
FI931680A (fi) 1993-04-14
FI108539B (fi) 2002-02-15
SK280941B6 (sk) 2000-09-12
AU646311B2 (en) 1994-02-17
NO931421D0 (no) 1993-04-16
CZ282994B6 (cs) 1997-12-17
NO931421L (no) 1993-06-16
FI931680A0 (fi) 1993-04-14
CZ124697A3 (en) 1997-12-17
KR930702328A (ko) 1993-09-08
PT99244A (pt) 1992-09-30
CZ124597A3 (en) 1997-12-17
CA2092997A1 (en) 1992-04-18
HU219237B (en) 2001-03-28
IE913629A1 (en) 1992-04-22
CZ283003B6 (cs) 1997-12-17
ES2070519T3 (es) 1995-06-01
EP0553213B1 (en) 1995-02-22
PT99244B (pt) 1999-04-30
CZ61493A3 (en) 1994-02-16

Similar Documents

Publication Publication Date Title
HUT64049A (en) Process for producing (4r-cis)-(1,1-dimethylethyl)-6-(cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetate, the compound and its intermediates
KR900700478A (ko) 콜레스테롤 합성 억제제인 트란스-6-[2-알킬] 피란-2-온의 개량된 제조방법
AU650148B2 (en) Vitamin D compound, method of preparing this compound and intermediate therefor
CA2009508A1 (en) Pf 1022 substance, method of producing same and anthelmintic composition containing same
HU9201576D0 (en) Method for producing 3-substituted-1-(aryl- or aryl-alkyl)-2(1h)-quinolones
EP0535928A3 (en) Process for producing intermediates for use in production of alkoxyiminoacetamides and intermediates to be used therein
GB2179512B (en) Frequency synthesis stage adding high-frequency frequency steps to an initial frequency
EP0414262A3 (en) Process for the preparation of cyclic amino anticonvulsant compounds
IE801883L (en) Preparation of 1ó-hydroxylated vitamin d compounds from¹5,6-trans-vitamin d compounds
CA2076886A1 (en) Method for production of 2-amino-6-halogenopurine and synthesis intermediate therefor
EP0424547A4 (en) Method of producing ferrocenoyl derivative
IL82047A (en) Process for the preparation of forskolin from 9-deoxy-forskolin and intermediates used therein
RU1833357C (ru) Cпocoб пoлучehия 2,6-ди-tpet-буtилфehoлa
GR3017409T3 (en) Preparation of alkanesulfonamides.
GR3033172T3 (en) Process of producing ether-type thio-phospholipids
GR3021790T3 (en) Improved process for manufacturing L-(-)-carnitine from a waste product having opposite configuration.
EP0393611A3 (en) Novel process for producing oxetanocin g
AU3421389A (en) 5'-phosphodiesterase enzyme preparation and method for its production
IL103523A0 (en) Process for the preparation of substituted vinylbenzenes
AU5790990A (en) Process for the preparation of derivatives of 1,3-dioxolane and of 1,3-dioxane
IT1270825B (it) Procedimento per la preparazione di lipo-nucleotidi fosfatidilici
PL288059A1 (en) Method of obtaining penicillin g by biosynthesis process
IL116335A0 (en) A process for the preparation of (1r, 4r)-2,5- biazalicyclo (2,2,1) heptane and some novel intermediates thereof
HUT60324A (en) Process for producing compositions of yeast biomass base

Legal Events

Date Code Title Description
MM4A Lapse of definitive patent protection due to non-payment of fees