BE827568A - Procede de deshydrohalogenation d'alpha-halo cetals - Google Patents
Procede de deshydrohalogenation d'alpha-halo cetalsInfo
- Publication number
- BE827568A BE827568A BE155094A BE155094A BE827568A BE 827568 A BE827568 A BE 827568A BE 155094 A BE155094 A BE 155094A BE 155094 A BE155094 A BE 155094A BE 827568 A BE827568 A BE 827568A
- Authority
- BE
- Belgium
- Prior art keywords
- cetals
- dehydrohalogenation
- halo
- alpha
- halo cetals
- Prior art date
Links
- 238000006704 dehydrohalogenation reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D489/00—Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula:
- C07D489/02—Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: with oxygen atoms attached in positions 3 and 6, e.g. morphine, morphinone
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB15971/74A GB1495271A (en) | 1974-04-10 | 1974-04-10 | Dehydrohalogenation of codeinone derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE827568A true BE827568A (fr) | 1975-10-06 |
Family
ID=10068892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE155094A BE827568A (fr) | 1974-04-10 | 1975-04-04 | Procede de deshydrohalogenation d'alpha-halo cetals |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4025520A (OSRAM) |
| JP (1) | JPS6259111B2 (OSRAM) |
| BE (1) | BE827568A (OSRAM) |
| CH (1) | CH614710A5 (OSRAM) |
| DE (1) | DE2514220A1 (OSRAM) |
| FR (1) | FR2275477A1 (OSRAM) |
| GB (1) | GB1495271A (OSRAM) |
| HU (1) | HU174028B (OSRAM) |
| IL (1) | IL46972A (OSRAM) |
| NL (1) | NL7504207A (OSRAM) |
| NO (1) | NO751054L (OSRAM) |
| YU (1) | YU39940B (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4613668A (en) * | 1983-12-22 | 1986-09-23 | The United States Of America As Represented By The Department Of Health And Human Services | Short total synthesis or morphinan compounds which uses cyclization of a cycloalkylcarbonyl compound selected from cyclopropylcarbonyl and cyclobutylcarbonyl |
| GB2392670A (en) * | 2002-09-03 | 2004-03-10 | Stylacats Ltd | (+)-Morphine production |
| ES2313299T3 (es) * | 2004-02-06 | 2009-03-01 | Euro-Celtique S.A. | Procedimientos para producir morfinonas 3 o protegidas y carboxilatos de morfinona dienol 3 o protegidos. |
| CN101198612A (zh) * | 2005-06-16 | 2008-06-11 | 马林克罗特公司 | 通过1-卤代-蒂巴因或类似物制备14-羟基阿片类的合成路线 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE479104C (de) * | 1925-07-21 | 1929-07-09 | Boehringer Sohn Ingelheim | Verfahren zur Herstellung von Chlor- und Bromderivaten des Dihydrokodeinons |
| US2778832A (en) * | 1954-06-22 | 1957-01-22 | Merck & Co Inc | Reduction of codeinone to codeine |
-
1974
- 1974-04-10 GB GB15971/74A patent/GB1495271A/en not_active Expired
-
1975
- 1975-03-25 NO NO751054A patent/NO751054L/no unknown
- 1975-03-28 US US05/563,052 patent/US4025520A/en not_active Expired - Lifetime
- 1975-03-28 HU HU75MA2669A patent/HU174028B/hu unknown
- 1975-03-31 IL IL46972A patent/IL46972A/xx unknown
- 1975-04-01 DE DE19752514220 patent/DE2514220A1/de not_active Withdrawn
- 1975-04-04 BE BE155094A patent/BE827568A/xx unknown
- 1975-04-07 CH CH457375A patent/CH614710A5/xx not_active IP Right Cessation
- 1975-04-08 FR FR7510910A patent/FR2275477A1/fr active Granted
- 1975-04-09 YU YU907/75A patent/YU39940B/xx unknown
- 1975-04-09 NL NL7504207A patent/NL7504207A/xx not_active Application Discontinuation
- 1975-04-09 JP JP50043167A patent/JPS6259111B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2275477B1 (OSRAM) | 1979-04-20 |
| YU90775A (en) | 1982-02-28 |
| FR2275477A1 (fr) | 1976-01-16 |
| YU39940B (en) | 1985-06-30 |
| AU7961375A (en) | 1976-09-30 |
| NO751054L (OSRAM) | 1975-10-13 |
| NL7504207A (nl) | 1975-10-14 |
| GB1495271A (en) | 1977-12-14 |
| IL46972A0 (en) | 1975-05-22 |
| CH614710A5 (OSRAM) | 1979-12-14 |
| JPS6259111B2 (OSRAM) | 1987-12-09 |
| DE2514220A1 (de) | 1975-10-30 |
| JPS50142600A (OSRAM) | 1975-11-17 |
| US4025520A (en) | 1977-05-24 |
| HU174028B (hu) | 1979-10-28 |
| IL46972A (en) | 1978-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RO68142A (ro) | Procedeu pentru prepararea unor 4-fenilpiperidine | |
| FR2283114A1 (fr) | Procede de preparation de butanediols | |
| FR2278706A1 (fr) | Procede de production d'alginates d'alcylene glycol | |
| BE826057A (fr) | Procede d'esterification de trichlorosilane | |
| BE828672A (fr) | Procede de preparation du butyne-diol | |
| BE829779A (fr) | Procede de preparation de pyrazolo-benzazepines | |
| FR2281928A1 (fr) | Procede de preparation de 2-methyltetrahydropyrimidines 1-substituees | |
| RO72708A (ro) | Procedeu de preparare a perclormetilnercaptanului | |
| FR2288742A1 (fr) | Procede de preparation d'isochromannes | |
| RO63021A (fr) | Procede pour la preparation des 3-fluorcephalosporines | |
| BE829594A (fr) | Procede de preparation de 3-trichloromethyl-5-ethoxy-1,2,4- thiadiazole | |
| RO64281A (fr) | Procede pour la preparation des 6-methyle-8-methylergolines substituees | |
| BE827568A (fr) | Procede de deshydrohalogenation d'alpha-halo cetals | |
| RO68749A (ro) | Procedeu pentru prepararea 2-aminoimidazolilor | |
| RO63768A (fr) | Procede d'obtention des antibiotiques | |
| BE833035R (fr) | Procede de preparation de n-(2-cyano-ethyl)-cyclohexylamines | |
| BE824730A (fr) | Procede pour la preparation de cyclopentandiones | |
| RO65455A (fr) | Procede pour la preparation du 6-chlore-2-chloremeprocede de preparation du 6-chlore-2-chloremethyle-4-phenylequinazolines-3-oxyde thyle-4-phenylquinazoline-3-oxyde | |
| FR2275441A1 (fr) | Procede de preparation d'acetoxybutanal | |
| BE825934A (fr) | Procede de production d'isobutane | |
| FR2273764A1 (fr) | Procede de preparation de l'oxalonitrile | |
| FR2288736A1 (fr) | Procede de preparation de p-styrenesulfonate d'ammonium | |
| BE828032A (fr) | Procede de preparation de 2-alcoxy-4-propene-(1)-yl-phenols | |
| RO66029A (fr) | Procede pour la preparation du chlorure de dichloracetyle | |
| FR2295024A1 (fr) | Procede de preparation d'a-oxothiodimethylamides |