SE7702307L - Borttagande av karboxi-skyddande grupper - Google Patents

Borttagande av karboxi-skyddande grupper

Info

Publication number
SE7702307L
SE7702307L SE7702307A SE7702307A SE7702307L SE 7702307 L SE7702307 L SE 7702307L SE 7702307 A SE7702307 A SE 7702307A SE 7702307 A SE7702307 A SE 7702307A SE 7702307 L SE7702307 L SE 7702307L
Authority
SE
Sweden
Prior art keywords
removal
protective groups
carboxy protective
carboxy
hydrolysis
Prior art date
Application number
SE7702307A
Other languages
Unknown language ( )
English (en)
Other versions
SE443563B (sv
Inventor
T Tsuji
M Yoshioka
T Kataoka
Y Sendo
T Maeda S Hirail
W Nagata
Original Assignee
Shionogi & 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 Shionogi & Co filed Critical Shionogi & Co
Publication of SE7702307L publication Critical patent/SE7702307L/sv
Publication of SE443563B publication Critical patent/SE443563B/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/02—Preparation
    • C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SE7702307A 1976-03-03 1977-03-02 Forfarande for spjelkning av en bensylester, metoxibensylester eller klorbensylester av cefalosporiner SE443563B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2360276A JPS52106891A (en) 1976-03-03 1976-03-03 Removal of carboxyl protecting group

Publications (2)

Publication Number Publication Date
SE7702307L true SE7702307L (sv) 1977-09-04
SE443563B SE443563B (sv) 1986-03-03

Family

ID=12115141

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7702307A SE443563B (sv) 1976-03-03 1977-03-02 Forfarande for spjelkning av en bensylester, metoxibensylester eller klorbensylester av cefalosporiner

Country Status (10)

Country Link
US (1) US4223132A (sv)
JP (1) JPS52106891A (sv)
BE (1) BE852054A (sv)
CA (1) CA1069886A (sv)
CH (1) CH630333A5 (sv)
DE (1) DE2709292A1 (sv)
FR (1) FR2342974A1 (sv)
GB (1) GB1569040A (sv)
NL (1) NL188411C (sv)
SE (1) SE443563B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725519A1 (de) * 1977-06-06 1978-12-21 Shionogi & Co Verfahren zur herstellung freier carbonsaeuren durch esterspaltung
JPS5671092A (en) * 1979-11-14 1981-06-13 Kyowa Hakko Kogyo Co Ltd Optical active cephalosporin analogous derivative
DE3165543D1 (en) * 1980-06-11 1984-09-20 Beecham Group Plc Process for the preparation of beta-lactam antibiotics
GR79944B (sv) * 1983-07-22 1984-10-31 Lilly Co Eli
US4708956A (en) * 1985-12-12 1987-11-24 Kyowa Hakko Kogyo Co., Ltd. 3-position halogenated cephalosporin analogs and pharmaceutical compositions
US5302711A (en) * 1992-02-18 1994-04-12 Eli Lilly And Company Ester cleavage process for use with β-lactams
DE69609636D1 (de) * 1995-11-06 2000-09-07 Dsm Nv Verfahren zur de-esterifikation
AU7567596A (en) * 1995-11-06 1997-05-29 Gist-Brocades B.V. De-esterification process
JP4138911B2 (ja) * 1997-06-24 2008-08-27 大塚化学ホールディングス株式会社 β−ラクタム誘導体の製造法
GB9802877D0 (en) * 1998-02-12 1998-04-08 Univ St Andrews Method of chemical cleavage
CN103254028A (zh) * 2013-05-14 2013-08-21 重庆大学 一种羧酸苄酯去苄基保护合成羧酸的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275626A (en) * 1962-07-31 1966-09-27 Lilly Co Eli Penicillin conversion via sulfoxide
US3799924A (en) * 1970-12-18 1974-03-26 Lilly Co Eli Ester cleavage process
US3781282A (en) * 1971-01-20 1973-12-25 W Garbrecht Cephalosporin process and product
US4091214A (en) * 1977-02-25 1978-05-23 Eli Lilly And Company De-esterification process for cephalosporins

Also Published As

Publication number Publication date
BE852054A (fr) 1977-09-05
SE443563B (sv) 1986-03-03
JPS52106891A (en) 1977-09-07
US4223132A (en) 1980-09-16
FR2342974A1 (fr) 1977-09-30
DE2709292C2 (sv) 1987-12-03
NL188411C (nl) 1992-06-16
GB1569040A (en) 1980-06-11
CH630333A5 (de) 1982-06-15
CA1069886A (en) 1980-01-15
NL7702242A (nl) 1977-09-06
FR2342974B1 (sv) 1980-07-18
DE2709292A1 (de) 1977-09-08
NL188411B (nl) 1992-01-16

Similar Documents

Publication Publication Date Title
FR2456723B1 (fr) Procede de production d'esters carboxyliques
SE7702307L (sv) Borttagande av karboxi-skyddande grupper
BR7308886D0 (pt) Processo para fabricacao de dispersoes aquosas de polimeros de esteres de acidos carboxilicos, monoolefinicamente insaturados
FI832730A (fi) Trifenylimidazolyloxialkansyror och derivat daerav samt foerfaranden foer deras framstaellning
IT1057945B (it) Processo per preparare anidridi di acido carbossilico
NO813541L (no) Fremgangsmaate ved fremstilling av aza-bicykle-oktan-karboksylsyrer.
IT7820766A0 (it) Processo per la preparazione di esteri di acidi butandicarbossilici.
NL7612461A (nl) Werkwijze ter bereiding van gesubstitueerde benzylesters van cyclopropaancarbonzuren of fenylazijnzuren.
BR7902733A (pt) Processo para preparacao de amidas de acidos carboxilicos alfa,beta-insaturados,n-substituidas
IT7829343A0 (it) Procedimento per la produzione di acidi carbossilici oppure di loro esteri.
GB2007212A (en) Process for producing carboxylic acids or esters therefor
CH540216A (de) Verfahren zur Herstellung aromatischer Carbonsäuren bzw. deren Salze
IT1066671B (it) Processo per preparare anidridi di acido carbossilico
IT1090578B (it) Processo per preparare acidi carbossilici
IT7827561A0 (it) Processo per la preparazione di esteri di acidi butandicarbossilici.
IT1102414B (it) Processo per preparare acidi diperossidicarbossilici alifatici
GB1557259A (en) Process for producing carboxylic acid salts ot esters
ES412876A1 (es) Procedimiento para la obtencion de diesteres de acido suc- cinilsuccinico.
CA969555A (en) Process for aromatic carboxylic acids
DE2860109D1 (en) Process of completing the esterification of carboxylic acids with alcohols
SE7612068L (sv) Omettade karboxylsyror.
ES374371A2 (es) Un procedimiento de preparacion de nuevos indoles sustitui-dos.
GB1519052A (en) Process for preparing branched carboxylic acids
BR8506059A (pt) Processo para a obtencao de sais de chumbo(ii)de acidos graxos
IT7821987A0 (it) Processo per la esterificazione di acidi carbossilici alifatici con eteri metil-terz.alchilici.

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7702307-5

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7702307-5

Format of ref document f/p: F