BE631856A - - Google Patents
Info
- Publication number
- BE631856A BE631856A BE631856DA BE631856A BE 631856 A BE631856 A BE 631856A BE 631856D A BE631856D A BE 631856DA BE 631856 A BE631856 A BE 631856A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
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- 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
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- 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
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- 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
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- 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 (de) | 1962-05-04 | 1962-05-04 | Verfahren zur Herstellung von 1, 3, 4-Oxdiazolen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE631856A true BE631856A (e) |
Family
ID=6975392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE631856D BE631856A (e) | 1962-05-04 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE631856A (e) |
CH (1) | CH421122A (e) |
DE (1) | DE1212092B (e) |
GB (1) | GB1034485A (e) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH487161A (de) * | 1966-09-14 | 1970-03-15 | Spofa Vereinigte Pharma Werke | Verfahren zur Herstellung von N-(D-6-Methyl-8-isoergolenyl)-N',N'-diäthylharnstoff |
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0
- BE BE631856D patent/BE631856A/xx unknown
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1962
- 1962-05-04 DE DEB67108A patent/DE1212092B/de active Pending
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1963
- 1963-04-23 CH CH507963A patent/CH421122A/de unknown
- 1963-04-30 GB GB1692163A patent/GB1034485A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1212092B (de) | 1966-03-10 |
GB1034485A (en) | 1966-06-29 |
CH421122A (de) | 1966-09-30 |