CH421122A - Process for the preparation of 1,3,4-oxdiazoles - Google Patents
Process for the preparation of 1,3,4-oxdiazolesInfo
- Publication number
- CH421122A CH421122A CH507963A CH507963A CH421122A CH 421122 A CH421122 A CH 421122A CH 507963 A CH507963 A CH 507963A CH 507963 A CH507963 A CH 507963A CH 421122 A CH421122 A CH 421122A
- Authority
- CH
- Switzerland
- Prior art keywords
- oxdiazoles
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
- C07D271/107—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with two aryl or substituted aryl radicals attached in positions 2 and 5
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/16—Amino-anthraquinones
- C09B1/20—Preparation from starting materials already containing the anthracene nucleus
- C09B1/22—Dyes with unsubstituted amino groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/003—Cyclisation of azo dyes; Condensation of azo dyes with formation of ring, e.g. of azopyrazolone dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB67108A DE1212092B (en) | 1962-05-04 | 1962-05-04 | Process for the preparation of 1, 3, 4-oxdiazoles |
Publications (1)
Publication Number | Publication Date |
---|---|
CH421122A true CH421122A (en) | 1966-09-30 |
Family
ID=6975392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH507963A CH421122A (en) | 1962-05-04 | 1963-04-23 | Process for the preparation of 1,3,4-oxdiazoles |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE631856A (en) |
CH (1) | CH421122A (en) |
DE (1) | DE1212092B (en) |
GB (1) | GB1034485A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH487161A (en) * | 1966-09-14 | 1970-03-15 | Spofa Vereinigte Pharma Werke | Process for the preparation of N- (D-6-methyl-8-isoergolenyl) -N ', N'-diethylurea |
-
0
- BE BE631856D patent/BE631856A/xx unknown
-
1962
- 1962-05-04 DE DEB67108A patent/DE1212092B/en active Pending
-
1963
- 1963-04-23 CH CH507963A patent/CH421122A/en unknown
- 1963-04-30 GB GB1692163A patent/GB1034485A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE631856A (en) | |
GB1034485A (en) | 1966-06-29 |
DE1212092B (en) | 1966-03-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH453340A (en) | Process for the preparation of trans-dimethylolcyclohexane-1,4 | |
CH457473A (en) | Process for the preparation of 9,10-dihydroergovaline | |
CH438343A (en) | Process for the preparation of 5,6-dihydro-6-oxo-11H-pyrido (2,3-b) (1,4) -benzodiazepines | |
AT238198B (en) | Process for the preparation of 1, 3, 5-trioxane | |
CH430704A (en) | Process for the preparation of 4,7-dihalo-1-methylindan-3-ones | |
AT235257B (en) | Process for the preparation of Β, Β'-dicyandiäthyläther | |
CH438337A (en) | Process for the preparation of 1,3-dihydro-3-hydroxy-2H-1,4-benzodiazepin-2-ones | |
CH426792A (en) | Process for the preparation of 9 (11) -dehydro-12-deoxy-steroids | |
CH481939A (en) | Process for the preparation of 4H-pyrazino- (2,3-d) - (1,3) -oxazin-4-ones | |
CH442306A (en) | Process for the preparation of 3,4-dihydro-benzoxazinonen- (1,3,2) | |
CH439282A (en) | Process for the preparation of 11-keto-5a, 9B, 10a-19-nor-steroids | |
CH415651A (en) | Process for the preparation of 3-aryl-4-halogen-pyridazonen- (6) | |
CH411908A (en) | Process for the preparation of 1,3,4-thiadiazoles | |
AT248445B (en) | Process for the preparation of new 1,2-dimethylhexahydropyridazines | |
AT247848B (en) | Process for the preparation of 1,3-dioxo-2-alkylcyclopentanes | |
AT231451B (en) | Process for the preparation of 2,6-diketo-8-thiapurines | |
CH428769A (en) | Process for the preparation of 1,8-dihydroxyanthraquinonyl-5-thioethers | |
CH433355A (en) | Process for the preparation of 2,4-diamino-6-hydroxymethyl-7,8-dihydro-pteridine | |
CH421122A (en) | Process for the preparation of 1,3,4-oxdiazoles | |
CH431507A (en) | Process for the preparation of 1,2,3,4-tetrachloro-9-anthrone | |
CH489484A (en) | Process for the preparation of 16a- or 16B-hydroxy-17 (20) -pregnen-21-acid-y-lactones | |
CH432487A (en) | Process for the preparation of mononitro-1,3,5-trialkylbenzene | |
AT244938B (en) | Process for the preparation of 2, 5-di-acylamino-3, 6-di-amino-1, 4-benzoquinones | |
CH464184A (en) | Process for the preparation of 6B, 19B-oxido-3,5-cyclosteroids | |
AT253703B (en) | Process for the preparation of 3,6-Dioxo-A-nor-B-homo-steroids |