GB1526180A - Catalytic dehalogenation process for preparing quinazolines - Google Patents
Catalytic dehalogenation process for preparing quinazolinesInfo
- Publication number
- GB1526180A GB1526180A GB32651/77A GB3265177A GB1526180A GB 1526180 A GB1526180 A GB 1526180A GB 32651/77 A GB32651/77 A GB 32651/77A GB 3265177 A GB3265177 A GB 3265177A GB 1526180 A GB1526180 A GB 1526180A
- Authority
- GB
- United Kingdom
- Prior art keywords
- quinazolines
- preparing
- blood pressure
- catalytic dehalogenation
- dehalogenation process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003197 catalytic effect Effects 0.000 title abstract 2
- 238000005695 dehalogenation reaction Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 150000003246 quinazolines Chemical class 0.000 title 1
- 150000001875 compounds Chemical class 0.000 abstract 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 2
- FYMQPWWNOCENRN-UHFFFAOYSA-N 6,7-dimethoxyquinazoline Chemical compound N1=CN=C2C=C(OC)C(OC)=CC2=C1 FYMQPWWNOCENRN-UHFFFAOYSA-N 0.000 abstract 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 206010020772 Hypertension Diseases 0.000 abstract 1
- 241000124008 Mammalia Species 0.000 abstract 1
- 230000036772 blood pressure Effects 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 1
- 150000002240 furans Chemical class 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 229910052740 iodine Chemical group 0.000 abstract 1
- IENZQIKPVFGBNW-UHFFFAOYSA-N prazosin Chemical compound N=1C(N)=C2C=C(OC)C(OC)=CC2=NC=1N(CC1)CCN1C(=O)C1=CC=CO1 IENZQIKPVFGBNW-UHFFFAOYSA-N 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 1
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
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71227776A | 1976-08-06 | 1976-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1526180A true GB1526180A (en) | 1978-09-27 |
Family
ID=24861452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32651/77A Expired GB1526180A (en) | 1976-08-06 | 1977-08-03 | Catalytic dehalogenation process for preparing quinazolines |
Country Status (29)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5793977A (en) * | 1980-11-26 | 1982-06-11 | Sankyo Co Ltd | Acylaminoquinazoline derivative and its preparation |
-
1977
- 1977-06-25 GR GR53808A patent/GR69201B/el unknown
- 1977-06-27 CA CA281,453A patent/CA1065317A/en not_active Expired
- 1977-06-27 IL IL52394A patent/IL52394A0/xx not_active IP Right Cessation
- 1977-06-28 ZA ZA00773898A patent/ZA773898B/xx unknown
- 1977-06-28 SE SE7707472A patent/SE436032B/xx not_active IP Right Cessation
- 1977-06-30 NZ NZ184535A patent/NZ184535A/xx unknown
- 1977-07-11 YU YU1715/77A patent/YU39397B/xx unknown
- 1977-07-11 DE DE19772731737 patent/DE2731737A1/de active Pending
- 1977-07-13 NO NO772488A patent/NO147912C/no unknown
- 1977-07-13 CH CH870177A patent/CH633794A5/de not_active IP Right Cessation
- 1977-07-13 NL NLAANVRAGE7707792,A patent/NL171448C/xx not_active IP Right Cessation
- 1977-07-13 PT PT66796A patent/PT66796B/pt unknown
- 1977-07-13 ES ES460685A patent/ES460685A1/es not_active Expired
- 1977-07-13 CS CS774679A patent/CS202074B2/cs unknown
- 1977-07-14 FI FI772193A patent/FI65999C/fi not_active IP Right Cessation
- 1977-07-14 AR AR268434A patent/AR213317A1/es active
- 1977-07-14 DK DK320077A patent/DK143601C/da not_active IP Right Cessation
- 1977-07-27 JP JP9022777A patent/JPS5321181A/ja active Pending
- 1977-08-03 GB GB32651/77A patent/GB1526180A/en not_active Expired
- 1977-08-04 BE BE179921A patent/BE857491A/xx not_active IP Right Cessation
- 1977-08-04 LU LU77925A patent/LU77925A1/xx unknown
- 1977-08-04 HU HU77PI586A patent/HU177714B/hu not_active IP Right Cessation
- 1977-08-05 PL PL1977200090A patent/PL104355B1/pl unknown
- 1977-08-05 RO RO7791289A patent/RO73523A/ro unknown
- 1977-08-05 IE IE1642/77A patent/IE45776B1/en not_active IP Right Cessation
- 1977-08-05 FR FR7724260A patent/FR2360591A1/fr active Granted
- 1977-08-05 DD DD7700200469A patent/DD131855A5/xx unknown
-
1981
- 1981-07-02 HK HK302/81A patent/HK30281A/xx unknown
- 1981-12-30 MY MY264/81A patent/MY8100264A/xx unknown
-
1982
- 1982-06-09 SE SE8203583A patent/SE439162B/sv not_active IP Right Cessation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930803 |