GB1440838A - 1,3,4-thiadiazole compounds and processes for their production - Google Patents
1,3,4-thiadiazole compounds and processes for their productionInfo
- Publication number
- GB1440838A GB1440838A GB5142073A GB5142073A GB1440838A GB 1440838 A GB1440838 A GB 1440838A GB 5142073 A GB5142073 A GB 5142073A GB 5142073 A GB5142073 A GB 5142073A GB 1440838 A GB1440838 A GB 1440838A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formula
- och
- thiadiazole compounds
- thiadiazole
- processes
- Prior art date
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing three or more hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
Abstract
1440838 1,3,4-thiadiazole compounds BASF AG 6 Nov 1973 [7 Nov 1972] 51420/73 Heading C2C Novel 1,3,4-thiadiazole compounds of the formula in which R<SP>1</SP> and R<SP>2</SP> together with the two adjacent carbon atoms form an aromatic or heterocyclic ring, X is oxygen, sulphur or -NH- and R<SP>3</SP> is -C(OCH 3 ) 3 , -COÀOCH 3 or are prepared by reacting 2,5-bis-(trimethoxymethyl)-1,3,4-thiadiazole of the formula with an aromatic or heterocyclic amino compound of the formula in the presence of an acid catalyst at a temperature of at least 30‹ C. to give a compound of the invention wherein R<SP>3</SP> is -C(OCH 3 ) 3 or of Formula A above and optionally reacting the product wherein R<SP>3</SP> is -C(OCH 3 ) 3 with water to give a product wherein R<SP>3</SP> is -COOCH 3 .
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722254423 DE2254423A1 (en) | 1972-11-07 | 1972-11-07 | NEW 1,3,4-THIADIAZOLE COMPOUNDS AND PROCEDURES FOR THEIR PRODUCTION |
DE19722254442 DE2254442C3 (en) | 1971-11-08 | 1972-11-07 | Device for installing or removing a piston in a piston machine |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1440838A true GB1440838A (en) | 1976-06-30 |
Family
ID=25764057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5142073A Expired GB1440838A (en) | 1972-11-07 | 1973-11-06 | 1,3,4-thiadiazole compounds and processes for their production |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE807004A (en) |
CH (1) | CH583732A5 (en) |
DE (1) | DE2254423A1 (en) |
FR (1) | FR2205520B3 (en) |
GB (1) | GB1440838A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0364396A1 (en) * | 1988-09-23 | 1990-04-18 | Ciba-Geigy Ag | Neumaticides and fungicides |
-
1972
- 1972-11-07 DE DE19722254423 patent/DE2254423A1/en active Pending
-
1973
- 1973-11-05 CH CH1552673A patent/CH583732A5/xx not_active IP Right Cessation
- 1973-11-06 FR FR7339333A patent/FR2205520B3/fr not_active Expired
- 1973-11-06 GB GB5142073A patent/GB1440838A/en not_active Expired
- 1973-11-07 BE BE137480A patent/BE807004A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE807004A (en) | 1974-05-07 |
FR2205520A1 (en) | 1974-05-31 |
CH583732A5 (en) | 1977-01-14 |
FR2205520B3 (en) | 1976-09-17 |
DE2254423A1 (en) | 1974-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |