NL6511305A - - Google Patents
Info
- Publication number
- NL6511305A NL6511305A NL6511305A NL6511305A NL6511305A NL 6511305 A NL6511305 A NL 6511305A NL 6511305 A NL6511305 A NL 6511305A NL 6511305 A NL6511305 A NL 6511305A NL 6511305 A NL6511305 A NL 6511305A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US393369A US3322794A (en) | 1964-08-31 | 1964-08-31 | Process for the preparation of 7-aminocoumarins |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6511305A true NL6511305A (de) | 1966-03-01 |
NL149172B NL149172B (nl) | 1976-04-15 |
Family
ID=23554415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL656511305A NL149172B (nl) | 1964-08-31 | 1965-08-30 | Werkwijze ter bereiding van 7-amino 3-fenylcumarine. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3322794A (de) |
BE (1) | BE668944A (de) |
CH (1) | CH478790A (de) |
DE (1) | DE1278444B (de) |
GB (1) | GB1086398A (de) |
NL (1) | NL149172B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3514471A (en) * | 1968-05-23 | 1970-05-26 | Showa Kagaku Kogyo Kk | Process for the manufacture of 3-phenyl or substituted phenyl-7-amino-cumarins |
US3998851A (en) * | 1973-05-07 | 1976-12-21 | Universal Oil Products Company | Preparation of coumarins |
US3888883A (en) * | 1973-08-01 | 1975-06-10 | Universal Oil Prod Co | Production of coumarin |
US3891569A (en) * | 1974-02-11 | 1975-06-24 | Us Navy | Lasing dyes |
CN111548337A (zh) * | 2020-06-08 | 2020-08-18 | 黄石市利福达医药化工有限公司 | 一种4-甲基-7-二乙氨基香豆素的制备方法及其应用 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2647132A (en) * | 1952-05-17 | 1953-07-28 | American Cyanamid Co | Coumarin derivatives |
US3008969A (en) * | 1958-05-21 | 1961-11-14 | American Cyanamid Co | 4-substituted-7-carboalkoxyamino-coumarins |
-
1964
- 1964-08-31 US US393369A patent/US3322794A/en not_active Expired - Lifetime
-
1965
- 1965-08-18 CH CH1164265A patent/CH478790A/de not_active IP Right Cessation
- 1965-08-27 GB GB36951/65A patent/GB1086398A/en not_active Expired
- 1965-08-30 DE DEG44557A patent/DE1278444B/de active Pending
- 1965-08-30 NL NL656511305A patent/NL149172B/xx unknown
- 1965-08-30 BE BE668944D patent/BE668944A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1278444B (de) | 1968-09-26 |
GB1086398A (en) | 1967-10-11 |
CH478790A (de) | 1969-09-30 |
US3322794A (en) | 1967-05-30 |
NL149172B (nl) | 1976-04-15 |
BE668944A (de) | 1966-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application |