ZA795478B - Process for the preparation of cis-(+)-3,4-dihydro-n,n2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced thereby - Google Patents
Process for the preparation of cis-(+)-3,4-dihydro-n,n2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced therebyInfo
- Publication number
- ZA795478B ZA795478B ZA00795478A ZA795478A ZA795478B ZA 795478 B ZA795478 B ZA 795478B ZA 00795478 A ZA00795478 A ZA 00795478A ZA 795478 A ZA795478 A ZA 795478A ZA 795478 B ZA795478 B ZA 795478B
- Authority
- ZA
- South Africa
- Prior art keywords
- benzopyran
- dihydro
- trimethyl
- cis
- amine
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
-
- 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
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
-
- 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
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
-
- 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
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/68—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with nitrogen atoms directly attached in position 4
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/896,403 US4203895A (en) | 1978-04-14 | 1978-04-14 | Process for the preparation of cis-(±)-3,4-dihydro-N,N,2-trimethyl-2H-1-benzopyran-3-amine and intermediates produced thereby |
CA000337266A CA1118431A (en) | 1978-04-14 | 1979-10-10 | Process for the preparation of cis(.sup. -)-3,4- dihydro-n,n,2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced thereby |
AU51678/79A AU5167879A (en) | 1978-04-14 | 1979-10-11 | Dihydro benzopyrans |
ZA00795478A ZA795478B (en) | 1978-04-14 | 1979-10-12 | Process for the preparation of cis-(+)-3,4-dihydro-n,n2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced thereby |
EP79302262A EP0027835A1 (en) | 1978-04-14 | 1979-10-18 | Process for producing cis-(+,-)-3,4-dihydro-N,N,2-trimethyl-2H-1-benzopyran-3-amine, intermediates produced thereby and their preparation |
JP13650079A JPS5665884A (en) | 1978-04-14 | 1979-10-24 | Manufacture of ciss*****3*44dihydroon*n*22 trimethyll2hh11benzopyrann33amine |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/896,403 US4203895A (en) | 1978-04-14 | 1978-04-14 | Process for the preparation of cis-(±)-3,4-dihydro-N,N,2-trimethyl-2H-1-benzopyran-3-amine and intermediates produced thereby |
CA000337266A CA1118431A (en) | 1978-04-14 | 1979-10-10 | Process for the preparation of cis(.sup. -)-3,4- dihydro-n,n,2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced thereby |
AU51678/79A AU5167879A (en) | 1978-04-14 | 1979-10-11 | Dihydro benzopyrans |
ZA00795478A ZA795478B (en) | 1978-04-14 | 1979-10-12 | Process for the preparation of cis-(+)-3,4-dihydro-n,n2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced thereby |
EP79302262A EP0027835A1 (en) | 1978-04-14 | 1979-10-18 | Process for producing cis-(+,-)-3,4-dihydro-N,N,2-trimethyl-2H-1-benzopyran-3-amine, intermediates produced thereby and their preparation |
JP13650079A JPS5665884A (en) | 1978-04-14 | 1979-10-24 | Manufacture of ciss*****3*44dihydroon*n*22 trimethyll2hh11benzopyrann33amine |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA795478B true ZA795478B (en) | 1980-09-24 |
Family
ID=27542742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00795478A ZA795478B (en) | 1978-04-14 | 1979-10-12 | Process for the preparation of cis-(+)-3,4-dihydro-n,n2-trimethyl-2h-1-benzopyran-3-amine and intermediates produced thereby |
Country Status (6)
Country | Link |
---|---|
US (1) | US4203895A (xx) |
EP (1) | EP0027835A1 (xx) |
JP (1) | JPS5665884A (xx) |
AU (1) | AU5167879A (xx) |
CA (1) | CA1118431A (xx) |
ZA (1) | ZA795478B (xx) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0046652B1 (en) * | 1980-08-21 | 1985-05-22 | Beecham Group Plc | Chromanol derivatives, their production and pharmaceutical compositions containing them |
DE3368057D1 (en) * | 1982-05-21 | 1987-01-15 | Beecham Group Plc | Pharmaceutically active aminobenzopyrans |
DE3679378D1 (de) * | 1985-09-03 | 1991-06-27 | Ciba Geigy Ag | 3-amino-dihydro-(1)-benzopyrane und benzothiopyrane. |
US5210234A (en) * | 1986-05-03 | 1993-05-11 | Beecham Group P.L.C. | Benzopyran intermediates |
US4801605A (en) * | 1986-08-29 | 1989-01-31 | Ciba-Geigy Corporation | 3-amino-dihydro-[1]-benzopyrans and benzothiopyrans |
SE8605504D0 (sv) * | 1986-12-19 | 1986-12-19 | Astra Laekemedel Ab | Novel chroman derivatives |
US4992465A (en) * | 1988-09-27 | 1991-02-12 | Ciba-Geigy Corporation | 3-amino-dihydro-(1)-benzopyrans |
CA2006429A1 (en) * | 1988-12-23 | 1990-06-23 | Geoffrey Stemp | Compounds |
US5387569A (en) * | 1992-02-25 | 1995-02-07 | Blue Planet Technologies Co., L.P. | Catalytic solution suitable for converting combustion emissions |
US5460790A (en) * | 1992-02-25 | 1995-10-24 | Blue Planet Technologies Co., L.P. | Catalytic vessel for receiving metal catalysts by deposition from the gas phase |
JPH07507118A (ja) * | 1992-02-25 | 1995-08-03 | ブルー プラネット テクノロジーズ カンパニー リミティド パートナーシップ | 触媒装置 |
US6152972A (en) * | 1993-03-29 | 2000-11-28 | Blue Planet Technologies Co., L.P. | Gasoline additives for catalytic control of emissions from combustion engines |
GB0426061D0 (en) * | 2004-11-26 | 2004-12-29 | Pfizer Ltd | Chroman compounds |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3890302A (en) * | 1969-01-28 | 1975-06-17 | Katsumi Kotera | Dextro 1-methyl-2-(2-naphthyl) aziridine |
US3607886A (en) * | 1969-04-24 | 1971-09-21 | Parke Davis & Co | Chromanamines |
JPS4834870A (xx) * | 1971-09-10 | 1973-05-22 | ||
US4062870A (en) * | 1974-05-31 | 1977-12-13 | Beecham Group Limited | Chroman derivatives |
GB1495526A (en) * | 1974-05-31 | 1977-12-21 | Beecham Group Ltd | Chroman derivatives |
JPS5283829A (en) * | 1976-01-01 | 1977-07-13 | Takeda Chem Ind Ltd | Cyclic compound |
GB1509853A (en) * | 1976-01-27 | 1978-05-04 | Beecham Group Ltd | 4-amino-3-hydroxy-6-nitrobenzo-pyrans |
US4115407A (en) * | 1977-07-01 | 1978-09-19 | Morton-Norwich Products, Inc. | N-Benzyl-4-chromanamines |
-
1978
- 1978-04-14 US US05/896,403 patent/US4203895A/en not_active Expired - Lifetime
-
1979
- 1979-10-10 CA CA000337266A patent/CA1118431A/en not_active Expired
- 1979-10-11 AU AU51678/79A patent/AU5167879A/en not_active Abandoned
- 1979-10-12 ZA ZA00795478A patent/ZA795478B/xx unknown
- 1979-10-18 EP EP79302262A patent/EP0027835A1/en not_active Withdrawn
- 1979-10-24 JP JP13650079A patent/JPS5665884A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4203895A (en) | 1980-05-20 |
CA1118431A (en) | 1982-02-16 |
JPS5665884A (en) | 1981-06-03 |
AU5167879A (en) | 1981-04-16 |
EP0027835A1 (en) | 1981-05-06 |
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