BE791925A - PROCESS FOR PREVENTING RETRANSFORMATION DURING THE PREPARATION OF NUCLEAR ESTER SALTS - Google Patents

PROCESS FOR PREVENTING RETRANSFORMATION DURING THE PREPARATION OF NUCLEAR ESTER SALTS

Info

Publication number
BE791925A
BE791925A BE791925DA BE791925A BE 791925 A BE791925 A BE 791925A BE 791925D A BE791925D A BE 791925DA BE 791925 A BE791925 A BE 791925A
Authority
BE
Belgium
Prior art keywords
retransformation
preventing
preparation
during
ester salts
Prior art date
Application number
Other languages
French (fr)
Inventor
L D Hatfield
Del D Hatfield
Original Assignee
Lilly Co Eli
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.)
Publication date
Priority claimed from US203398A external-priority patent/US3868368A/en
Priority claimed from US00203399A external-priority patent/US3845043A/en
Publication of BE791925A publication Critical patent/BE791925A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
BE791925D 1971-11-30 PROCESS FOR PREVENTING RETRANSFORMATION DURING THE PREPARATION OF NUCLEAR ESTER SALTS BE791925A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US203398A US3868368A (en) 1971-11-30 1971-11-30 Process for preparing a 7-aminocephalosporin ester
US00203399A US3845043A (en) 1971-11-30 1971-11-30 Preventing reversion during preparation of nucleus ester salts

Publications (1)

Publication Number Publication Date
BE791925A true BE791925A (en) 1973-05-28

Family

ID=26898573

Family Applications (1)

Application Number Title Priority Date Filing Date
BE791925D BE791925A (en) 1971-11-30 PROCESS FOR PREVENTING RETRANSFORMATION DURING THE PREPARATION OF NUCLEAR ESTER SALTS

Country Status (21)

Country Link
JP (1) JPS5638595B2 (en)
AR (1) AR192529A1 (en)
AT (1) AT324551B (en)
BE (1) BE791925A (en)
BG (2) BG22402A3 (en)
CA (1) CA985672A (en)
CH (1) CH554372A (en)
CS (1) CS188154B2 (en)
DD (1) DD100958A5 (en)
DE (1) DE2258079C3 (en)
ES (1) ES409114A1 (en)
FR (1) FR2163132A5 (en)
GB (1) GB1381339A (en)
HU (1) HU166394B (en)
IE (1) IE36879B1 (en)
IL (1) IL40897A (en)
NL (1) NL173958C (en)
PH (1) PH10235A (en)
PL (1) PL89692B1 (en)
SE (1) SE416400B (en)
YU (1) YU36969B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378774B (en) * 1982-08-06 1985-09-25 Biochemie Gmbh METHOD FOR DEACYLATING PENICILLINES AND CEPHALOSPORINES
JPS59226670A (en) * 1983-06-03 1984-12-19 Jeol Ltd Transistor inverter

Also Published As

Publication number Publication date
NL173958C (en) 1984-04-02
IE36879B1 (en) 1977-03-16
GB1381339A (en) 1975-01-22
DD100958A5 (en) 1973-10-12
PL89692B1 (en) 1976-12-31
AR192529A1 (en) 1973-02-21
PH10235A (en) 1976-10-08
CA985672A (en) 1976-03-16
ES409114A1 (en) 1976-04-01
SE416400B (en) 1980-12-22
JPS5638595B2 (en) 1981-09-08
BG23008A3 (en) 1977-05-20
YU36969B (en) 1984-08-31
AT324551B (en) 1975-09-10
DE2258079C3 (en) 1980-11-20
DE2258079A1 (en) 1973-06-07
JPS4862792A (en) 1973-09-01
NL7216158A (en) 1973-06-04
NL173958B (en) 1983-11-01
IL40897A0 (en) 1973-01-30
IE36879L (en) 1973-05-30
BG22402A3 (en) 1977-02-20
DE2258079B2 (en) 1980-03-27
HU166394B (en) 1975-03-28
IL40897A (en) 1976-06-30
YU297072A (en) 1982-06-18
FR2163132A5 (en) 1973-07-20
CS188154B2 (en) 1979-02-28
CH554372A (en) 1974-09-30

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: ELI LILLY AND CY

Effective date: 19921127