CA985672A - Process for preventing reversion during preparation of nucleus ester salts - Google Patents

Process for preventing reversion during preparation of nucleus ester salts

Info

Publication number: CA985672A
Authority: CA; Canada
Prior art keywords: during preparation; ester salts; reversion during; preventing reversion; nucleus ester
Prior art date: 1971-11-30
Legal status (The legal status 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 status listed.): Expired

Application number

CA156,957A

Other versions

CA156957S (en

Inventor

Lowell D. Hatfield

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Eli Lilly and Co

Original Assignee

Eli Lilly and 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.)

1971-11-30

Filing date

1972-11-20

Publication date

1976-03-16

1971-11-30 Priority claimed from US203398A external-priority patent/US3868368A/en

1971-11-30 Priority claimed from US00203399A external-priority patent/US3845043A/en

1972-11-20 Application filed by Eli Lilly and Co filed Critical Eli Lilly and Co

1976-03-16 Application granted granted Critical

1976-03-16 Publication of CA985672A publication Critical patent/CA985672A/en

Status Expired legal-status Critical Current

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)

CA156,957A 1971-11-30 1972-11-20 Process for preventing reversion during preparation of nucleus ester salts Expired CA985672A (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
CA985672A true CA985672A (en)	1976-03-16

Family

ID=26898573

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA156,957A Expired CA985672A (en)	1971-11-30	1972-11-20	Process for preventing reversion during preparation of nucleus 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

0
- BE BE791925D patent/BE791925A/en not_active IP Right Cessation
1972
- 1972-11-20 CA CA156,957A patent/CA985672A/en not_active Expired
- 1972-11-22 IE IE1621/72A patent/IE36879B1/en unknown
- 1972-11-22 IL IL40897A patent/IL40897A/en unknown
- 1972-11-22 GB GB5396872A patent/GB1381339A/en not_active Expired
- 1972-11-27 DE DE2258079A patent/DE2258079C3/en not_active Expired
- 1972-11-27 PH PH14119A patent/PH10235A/en unknown
- 1972-11-28 FR FR7242257A patent/FR2163132A5/fr not_active Expired
- 1972-11-28 NL NLAANVRAGE7216158,A patent/NL173958C/en not_active IP Right Cessation
- 1972-11-28 YU YU2970/72A patent/YU36969B/en unknown
- 1972-11-29 ES ES409114A patent/ES409114A1/en not_active Expired
- 1972-11-29 HU HUEI444A patent/HU166394B/hu unknown
- 1972-11-29 DD DD167181A patent/DD100958A5/xx unknown
- 1972-11-29 PL PL1972159178A patent/PL89692B1/en unknown
- 1972-11-29 SE SE7215532A patent/SE416400B/en unknown
- 1972-11-29 AT AT1017272A patent/AT324551B/en not_active IP Right Cessation
- 1972-11-29 CH CH1737772A patent/CH554372A/en not_active IP Right Cessation
- 1972-11-30 BG BG27793A patent/BG22402A3/xx unknown
- 1972-11-30 BG BG22014A patent/BG23008A3/xx unknown
- 1972-11-30 JP JP12028672A patent/JPS5638595B2/ja not_active Expired
- 1972-11-30 AR AR245396A patent/AR192529A1/en active
- 1972-11-30 CS CS728189A patent/CS188154B2/en unknown

Also Published As

Publication number	Publication date
NL7216158A (en)	1973-06-04
BG22402A3 (en)	1977-02-20
YU36969B (en)	1984-08-31
CH554372A (en)	1974-09-30
HU166394B (en)	1975-03-28
JPS5638595B2 (en)	1981-09-08
CS188154B2 (en)	1979-02-28
IL40897A0 (en)	1973-01-30
JPS4862792A (en)	1973-09-01
AR192529A1 (en)	1973-02-21
NL173958B (en)	1983-11-01
DE2258079C3 (en)	1980-11-20
PH10235A (en)	1976-10-08
NL173958C (en)	1984-04-02
DD100958A5 (en)	1973-10-12
BG23008A3 (en)	1977-05-20
IE36879L (en)	1973-05-30
PL89692B1 (en)	1976-12-31
BE791925A (en)	1973-05-28
ES409114A1 (en)	1976-04-01
IL40897A (en)	1976-06-30
YU297072A (en)	1982-06-18
DE2258079B2 (en)	1980-03-27
DE2258079A1 (en)	1973-06-07
AT324551B (en)	1975-09-10
IE36879B1 (en)	1977-03-16
GB1381339A (en)	1975-01-22
FR2163132A5 (en)	1973-07-20
SE416400B (en)	1980-12-22

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