NO911994D0 - Fremgangsmaate for fremstilling av en optisk aktiv forbindelse. - Google Patents

Fremgangsmaate for fremstilling av en optisk aktiv forbindelse.

Info

Publication number
NO911994D0
NO911994D0 NO911994A NO911994A NO911994D0 NO 911994 D0 NO911994 D0 NO 911994D0 NO 911994 A NO911994 A NO 911994A NO 911994 A NO911994 A NO 911994A NO 911994 D0 NO911994 D0 NO 911994D0
Authority
NO
Norway
Prior art keywords
preparing
procedure
active link
optic active
compound
Prior art date
Application number
NO911994A
Other languages
English (en)
Other versions
NO175589C (no
NO175589B (no
NO911994L (no
Inventor
Saleem Ahmad
Original Assignee
Squibb & Sons Inc
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 Squibb & Sons Inc filed Critical Squibb & Sons Inc
Publication of NO911994D0 publication Critical patent/NO911994D0/no
Publication of NO911994L publication Critical patent/NO911994L/no
Publication of NO175589B publication Critical patent/NO175589B/no
Publication of NO175589C publication Critical patent/NO175589C/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32Oxygen atoms
    • C07D307/33Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/42Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C67/347Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by addition to unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/74Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
    • C07C69/757Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/78Benzoic acid esters
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D317/18Radicals substituted by singly bound oxygen or sulfur atoms
    • C07D317/24Radicals substituted by singly bound oxygen or sulfur atoms esterified
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
NO911994A 1990-05-24 1991-05-23 Fremgangsmåte for fremstilling av en optisk aktiv forbindelse NO175589C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52862690A 1990-05-24 1990-05-24

Publications (4)

Publication Number Publication Date
NO911994D0 true NO911994D0 (no) 1991-05-23
NO911994L NO911994L (no) 1991-11-25
NO175589B NO175589B (no) 1994-07-25
NO175589C NO175589C (no) 1994-11-02

Family

ID=24106474

Family Applications (1)

Application Number Title Priority Date Filing Date
NO911994A NO175589C (no) 1990-05-24 1991-05-23 Fremgangsmåte for fremstilling av en optisk aktiv forbindelse

Country Status (16)

Country Link
EP (1) EP0458643B1 (no)
JP (1) JPH05339192A (no)
KR (1) KR100189598B1 (no)
AT (1) ATE130840T1 (no)
CA (1) CA2041950A1 (no)
CZ (1) CZ281339B6 (no)
DE (1) DE69114911T2 (no)
DK (1) DK0458643T3 (no)
ES (1) ES2080898T3 (no)
FI (1) FI102274B (no)
GR (1) GR3018840T3 (no)
HU (1) HU213234B (no)
IE (1) IE72143B1 (no)
NO (1) NO175589C (no)
RU (1) RU2012555C1 (no)
SK (1) SK280030B6 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5412134A (en) * 1992-05-26 1995-05-02 E. R. Squibb & Sons, Inc. Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol
US5580973A (en) * 1994-01-07 1996-12-03 Lee-Ruff; Edward Process for preparing optically active nucleosides from chiral cyclobutanones
US6867161B1 (en) 1995-03-10 2005-03-15 Nissan Chemical Industries, Ltd. Titanium catalyst and organotitanium reacting reagent, production thereof, and reaction thereby
CA2242218C (en) * 1997-07-22 2007-09-04 Lonza Ag Process for preparing cyclobutane-1,2-dicarboxylic esters
GB0526279D0 (en) * 2005-12-23 2006-02-01 Givaudan Sa Improvements in or related to organic compounds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317586A (en) * 1964-08-17 1967-05-02 Eastman Kodak Co Dialkoxycyclobutane carboxylic acid esters and their preparation
US5723609A (en) * 1988-03-30 1998-03-03 E. R. Squibb & Sons, Inc. Bis (hydroxymethyl) cyclobutyl purines
AU622926B2 (en) * 1988-09-09 1992-04-30 Nippon Kayaku Kabushiki Kaisha Pyrimidine or purine cyclobutane derivatives

Also Published As

Publication number Publication date
IE911518A1 (en) 1991-12-04
CZ281339B6 (cs) 1996-08-14
NO175589C (no) 1994-11-02
EP0458643B1 (en) 1995-11-29
IE72143B1 (en) 1997-03-26
EP0458643A3 (en) 1993-06-16
KR100189598B1 (ko) 1999-06-01
SK280030B6 (sk) 1999-07-12
CS154791A3 (en) 1992-01-15
FI102274B1 (fi) 1998-11-13
NO175589B (no) 1994-07-25
GR3018840T3 (en) 1996-04-30
FI912501A (fi) 1991-11-25
HUT57695A (en) 1991-12-30
DK0458643T3 (da) 1995-12-27
NO911994L (no) 1991-11-25
HU213234B (en) 1997-03-28
KR910019944A (ko) 1991-12-19
ES2080898T3 (es) 1996-02-16
DE69114911D1 (de) 1996-01-11
FI102274B (fi) 1998-11-13
ATE130840T1 (de) 1995-12-15
FI912501A0 (fi) 1991-05-23
CA2041950A1 (en) 1991-11-25
JPH05339192A (ja) 1993-12-21
RU2012555C1 (ru) 1994-05-15
EP0458643A2 (en) 1991-11-27
DE69114911T2 (de) 1996-04-18

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