NL7202745A - - Google Patents
Info
- Publication number
- NL7202745A NL7202745A NL7202745A NL7202745A NL7202745A NL 7202745 A NL7202745 A NL 7202745A NL 7202745 A NL7202745 A NL 7202745A NL 7202745 A NL7202745 A NL 7202745A NL 7202745 A NL7202745 A NL 7202745A
- 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
- C07D311/74—Benzo[b]pyrans, hydrogenated in the carbocyclic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7202745,A NL174464C (nl) | 1972-03-02 | 1972-03-02 | Bereiding van 3,4,5,6,7,8-hexahydrocumarine. |
DE2309536A DE2309536C2 (de) | 1972-03-02 | 1973-02-26 | Verfahren zur Herstellung von 3,4,5,6,7,8-Hexahydrocumarin |
GB958673A GB1349638A (en) | 1972-03-02 | 1973-02-27 | Preparation of 3,4,5,6,7,8-hexahydrocoumarin |
US336243A US3925422A (en) | 1972-03-02 | 1973-02-27 | Preparation of 3,4,5,6,7,8-hexahydrocoumarin |
CH294973A CH575408A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-02 | 1973-02-28 | |
CA165,004A CA1001637A (en) | 1972-03-02 | 1973-03-01 | Preparation of 3,4,5,6,7,8-hexahydrocoumarin |
IT48559/73A IT982867B (it) | 1972-03-02 | 1973-03-01 | Procedimento per la preparazione di 3,4,5,6,7,8 esaidrocuma rina e prodotto ottenuto |
ES412214A ES412214A1 (es) | 1972-03-02 | 1973-03-01 | Un procedimiento para la preparacion de 3, 4, 5, 6, 7, 8- hexahidrocumarina. |
BE128309A BE796204A (fr) | 1972-03-02 | 1973-03-02 | Procede pour la preparation de 3,4,5,6,7,8-hexahydrocoumarine |
JP48024997A JPS596876B2 (ja) | 1972-03-02 | 1973-03-02 | 2−( ベ−タ− − カルボキシエチル )− シクロヘキサノンオ ラクトンカシテ 3,4,5,6,7,8,− ヘキサヒドロクマリンオ セイゾウスルホウホウ |
SE7302972A SE377123B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-02 | 1973-03-02 | |
FR7307476A FR2174269B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-03-02 | 1973-03-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7202745,A NL174464C (nl) | 1972-03-02 | 1972-03-02 | Bereiding van 3,4,5,6,7,8-hexahydrocumarine. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7202745A true NL7202745A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-04 |
NL174464B NL174464B (nl) | 1984-01-16 |
NL174464C NL174464C (nl) | 1984-06-18 |
Family
ID=19815494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7202745,A NL174464C (nl) | 1972-03-02 | 1972-03-02 | Bereiding van 3,4,5,6,7,8-hexahydrocumarine. |
Country Status (12)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0434410B1 (en) * | 1989-12-21 | 1994-11-02 | Sumitomo Chemical Company Limited | Catalytic production of coumarin compounds |
US5260457A (en) * | 1991-07-31 | 1993-11-09 | Sumitomo Chemical Co., Ltd. | Process for producing coumarin and derivative thereof |
EP2550928B1 (de) * | 2011-07-25 | 2017-03-01 | Ivoclar Vivadent AG | Dentalofen mit einemTrocknungssensor |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2204008A (en) * | 1938-04-01 | 1940-06-11 | Dow Chemical Co | Manufacture of coumarin |
US3442910A (en) * | 1967-06-22 | 1969-05-06 | Eastman Kodak Co | Preparation of hydrocoumarin,coumarin and alkyl substituted derivatives |
-
1972
- 1972-03-02 NL NLAANVRAGE7202745,A patent/NL174464C/xx not_active IP Right Cessation
-
1973
- 1973-02-26 DE DE2309536A patent/DE2309536C2/de not_active Expired
- 1973-02-27 GB GB958673A patent/GB1349638A/en not_active Expired
- 1973-02-27 US US336243A patent/US3925422A/en not_active Expired - Lifetime
- 1973-02-28 CH CH294973A patent/CH575408A5/xx not_active IP Right Cessation
- 1973-03-01 ES ES412214A patent/ES412214A1/es not_active Expired
- 1973-03-01 CA CA165,004A patent/CA1001637A/en not_active Expired
- 1973-03-01 IT IT48559/73A patent/IT982867B/it active
- 1973-03-02 FR FR7307476A patent/FR2174269B1/fr not_active Expired
- 1973-03-02 BE BE128309A patent/BE796204A/xx not_active IP Right Cessation
- 1973-03-02 SE SE7302972A patent/SE377123B/xx unknown
- 1973-03-02 JP JP48024997A patent/JPS596876B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
USB336243I5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-01-28 |
JPS596876B2 (ja) | 1984-02-15 |
GB1349638A (en) | 1974-04-10 |
ES412214A1 (es) | 1976-01-01 |
CA1001637A (en) | 1976-12-14 |
NL174464B (nl) | 1984-01-16 |
NL174464C (nl) | 1984-06-18 |
JPS4899175A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-12-15 |
DE2309536A1 (de) | 1973-09-06 |
FR2174269B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-02-10 |
FR2174269A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-10-12 |
IT982867B (it) | 1974-10-21 |
US3925422A (en) | 1975-12-09 |
DE2309536C2 (de) | 1982-01-28 |
CH575408A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-14 |
SE377123B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-06-23 |
BE796204A (fr) | 1973-09-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |