IT1251958B - Processo per la dealogenazione di derivati del naftalene - Google Patents
Processo per la dealogenazione di derivati del naftaleneInfo
- Publication number
- IT1251958B IT1251958B ITMI912767A ITMI912767A IT1251958B IT 1251958 B IT1251958 B IT 1251958B IT MI912767 A ITMI912767 A IT MI912767A IT MI912767 A ITMI912767 A IT MI912767A IT 1251958 B IT1251958 B IT 1251958B
- Authority
- IT
- Italy
- Prior art keywords
- dealogenation
- naphthalene derivatives
- formula
- mixtures
- compounds
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical class C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 title 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- -1 aliphatic thiols Chemical class 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000005695 dehalogenation reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000002790 naphthalenes Chemical class 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/48—Preparation of compounds having groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
Abstract
Viene descritto un processo per la dealogenazione selettiva in posizione 5 del nucleo naftalenico di composti di formula (FORMULA) (II) (in cui X, X1, ed R hanno i significati riportati nella descrizione)per trattamento con un agente dealogenante scelto tra acido solfidrico, tioli alifatici o loro miscele in un solvente anidro inerte a pH acido.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI912767A IT1251958B (it) | 1991-10-18 | 1991-10-18 | Processo per la dealogenazione di derivati del naftalene |
DK92116793T DK0537558T3 (da) | 1991-10-18 | 1992-10-01 | Fremgangsmåde til dehalogenering af naphthalenderivater |
EP92116793A EP0537558B1 (en) | 1991-10-18 | 1992-10-01 | Process for the dehalogenation of naphthalene derivatives |
DE69226323T DE69226323T2 (de) | 1991-10-18 | 1992-10-01 | Deshalogenierungsverfahren von Naphtalenederivaten |
AT92116793T ATE168684T1 (de) | 1991-10-18 | 1992-10-01 | Deshalogenierungsverfahren von naphtalenederivaten |
ES92116793T ES2120426T3 (es) | 1991-10-18 | 1992-10-01 | Procedimiento para la deshalogenacion de derivados de naftaleno. |
JP4321120A JPH05201913A (ja) | 1991-10-18 | 1992-10-16 | ナフタレン誘導体の脱ハロゲン化法 |
US07/962,518 US5268491A (en) | 1991-10-18 | 1992-10-16 | Process for the dehalogenation of naphthalene derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI912767A IT1251958B (it) | 1991-10-18 | 1991-10-18 | Processo per la dealogenazione di derivati del naftalene |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI912767A0 ITMI912767A0 (it) | 1991-10-18 |
ITMI912767A1 ITMI912767A1 (it) | 1993-04-18 |
IT1251958B true IT1251958B (it) | 1995-05-27 |
Family
ID=11360901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI912767A IT1251958B (it) | 1991-10-18 | 1991-10-18 | Processo per la dealogenazione di derivati del naftalene |
Country Status (8)
Country | Link |
---|---|
US (1) | US5268491A (it) |
EP (1) | EP0537558B1 (it) |
JP (1) | JPH05201913A (it) |
AT (1) | ATE168684T1 (it) |
DE (1) | DE69226323T2 (it) |
DK (1) | DK0537558T3 (it) |
ES (1) | ES2120426T3 (it) |
IT (1) | IT1251958B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100591908B1 (ko) * | 2002-12-05 | 2006-06-22 | 동우 화인켐 주식회사 | 비대칭 케톤의 선택적 브롬화 방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IE50897B1 (en) * | 1980-02-26 | 1986-08-06 | Blaschim Spa | Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals |
IE53333B1 (en) * | 1980-09-11 | 1988-10-26 | Syntex Pharma Int | Process for preparing alpha-aromatic group substituted alkanoic acids or esters thereof |
IL65629A (en) * | 1981-04-30 | 1987-08-31 | Syntex Pharma Int | Preparation of alpha-arylalkanoic acids and esters and salts thereof |
FI82680C (fi) * | 1981-12-11 | 1991-04-10 | Syntex Pharma Int | Framstaellning av - arylalkansyror. |
DE3362024D1 (en) * | 1982-08-06 | 1986-03-13 | Zambon Spa | Process for preparing alpha arylalkanoic acids |
EP0158913B1 (en) * | 1984-04-06 | 1988-07-20 | ZAMBON S.p.A. | Process for the preparation of optically active alpha-arylalkanoic acids and intermediates thereof |
IT1174084B (it) * | 1984-05-10 | 1987-07-01 | Blaschim Spa | Procentimento per preparare il naproxen |
IT1190362B (it) * | 1985-05-30 | 1988-02-16 | Zambon Spa | Preparazione del (6-metossi-2-naftil)-(1-bormoetil)-chetone e dei suoi derivati |
-
1991
- 1991-10-18 IT ITMI912767A patent/IT1251958B/it active IP Right Grant
-
1992
- 1992-10-01 DE DE69226323T patent/DE69226323T2/de not_active Expired - Fee Related
- 1992-10-01 ES ES92116793T patent/ES2120426T3/es not_active Expired - Lifetime
- 1992-10-01 AT AT92116793T patent/ATE168684T1/de not_active IP Right Cessation
- 1992-10-01 EP EP92116793A patent/EP0537558B1/en not_active Expired - Lifetime
- 1992-10-01 DK DK92116793T patent/DK0537558T3/da active
- 1992-10-16 US US07/962,518 patent/US5268491A/en not_active Expired - Fee Related
- 1992-10-16 JP JP4321120A patent/JPH05201913A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES2120426T3 (es) | 1998-11-01 |
ITMI912767A0 (it) | 1991-10-18 |
DK0537558T3 (da) | 1999-04-26 |
US5268491A (en) | 1993-12-07 |
ITMI912767A1 (it) | 1993-04-18 |
ATE168684T1 (de) | 1998-08-15 |
DE69226323T2 (de) | 1999-03-11 |
JPH05201913A (ja) | 1993-08-10 |
EP0537558B1 (en) | 1998-07-22 |
EP0537558A1 (en) | 1993-04-21 |
DE69226323D1 (de) | 1998-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970922 |