GB1479802A – Process for preparing cephalosporins
– Google Patents
GB1479802A – Process for preparing cephalosporins
– Google Patents
Process for preparing cephalosporins
Info
Publication number
GB1479802A
GB1479802A
GB2989975A
GB2989975A
GB1479802A
GB 1479802 A
GB1479802 A
GB 1479802A
GB 2989975 A
GB2989975 A
GB 2989975A
GB 2989975 A
GB2989975 A
GB 2989975A
GB 1479802 A
GB1479802 A
GB 1479802A
Authority
GB
United Kingdom
Prior art keywords
salt
group
denotes
formula
compound
Prior art date
1974-07-16
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
GB2989975A
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
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.)
1974-07-16
Filing date
1975-07-16
Publication date
1977-07-13
1975-07-16
Application filed by Takeda Chemical Industries Ltd
filed
Critical
Takeda Chemical Industries Ltd
1977-07-13
Publication of GB1479802A
publication
Critical
patent/GB1479802A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
C07D501/14—Compounds having a nitrogen atom directly attached in position 7
C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
B29C51/26—Component parts, details or accessories; Auxiliary operations
B29C51/42—Heating or cooling
B29C51/426—Producing specific thermal regimes during thermoforming to obtain particular properties
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
B29C51/10—Forming by pressure difference, e.g. vacuum
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
Abstract
1479802 Production of 7-amino-3-cephem compounds TAKEDA YAKUHIN KOGYO KK 16 July 1975 [16 July 1974] 29899/75 Heading C2C A cephem compound of the Formula (I) wherein R
GB2989975A
1974-07-16
1975-07-16
Process for preparing cephalosporins
Expired
GB1479802A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
JP8201274A
JPS5111782A
(en)
1974-07-16
1974-07-16
77 aminosefuemujudotaino seizoho
Publications (1)
Publication Number
Publication Date
GB1479802A
true
GB1479802A
(en)
1977-07-13
Family
ID=13762596
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2989975A
Expired
GB1479802A
(en)
1974-07-16
1975-07-16
Process for preparing cephalosporins
Country Status (5)
Country
Link
JP
(1)
JPS5111782A
(en)
DE
(1)
DE2530622A1
(en)
FR
(1)
FR2278698A1
(en)
GB
(1)
GB1479802A
(en)
NL
(1)
NL7508451A
(en)
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB1565941A
(en)
1977-02-08
1980-04-23
Toyama Chemical Co Ltd
Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids
JPS6027677B2
(en)
1978-07-06
1985-06-29
富山化学工業株式会社
New method for producing 7-substituted or unsubstituted amino-3-substituted thiomethylcefem carboxylic acids
JP3517082B2
(en)
*
1997-05-26
2004-04-05
日本たばこ産業株式会社
Strip material opening device
CN1531539A
(en)
*
2001-04-19
2004-09-22
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Enzymatic process for preparing cephalosporanic acid derivatives using 2-ketoacid derivatives
1974
1974-07-16
JP
JP8201274A
patent/JPS5111782A/en
active
Pending
1975
1975-07-09
DE
DE19752530622
patent/DE2530622A1/en
active
Pending
1975-07-15
NL
NL7508451A
patent/NL7508451A/en
unknown
1975-07-16
GB
GB2989975A
patent/GB1479802A/en
not_active
Expired
1975-07-16
FR
FR7522224A
patent/FR2278698A1/en
active
Granted
Also Published As
Publication number
Publication date
NL7508451A
(en)
1976-01-20
DE2530622A1
(en)
1976-01-29
FR2278698A1
(en)
1976-02-13
JPS5111782A
(en)
1976-01-30
FR2278698B1
(en)
1977-12-09
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Legal Events
Date
Code
Title
Description
1977-11-23
PS
Patent sealed
1980-03-05
PCNP
Patent ceased through non-payment of renewal fee
