ES8307783A1 - Procedimiento de preparacion de derivados de la dihidro-2,3-metil-3-fenil-6-pirona-4. - Google Patents
Procedimiento de preparacion de derivados de la dihidro-2,3-metil-3-fenil-6-pirona-4.Info
- Publication number
- ES8307783A1 ES8307783A1 ES507097A ES507097A ES8307783A1 ES 8307783 A1 ES8307783 A1 ES 8307783A1 ES 507097 A ES507097 A ES 507097A ES 507097 A ES507097 A ES 507097A ES 8307783 A1 ES8307783 A1 ES 8307783A1
- Authority
- ES
- Spain
- Prior art keywords
- crops
- dihydro
- preparation
- present
- herbicidal compositions
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE DIHIDRO-2,3-METIL-3-FENIL-6-PIRONA-4, DE FORMULA (I), EN LA QUE R2 ES UN RADICAL ALQUILO C2-3; Y R3 PUEDE SER VARIOS RADICALES. CONSISTE EN LA REACCION DE UN ACIDO BENZOILACETICO, DE FORMULA (II), CON UN ALCOHOLATO DE MAGNESIO, DE FORMULA (R4O)2MG, EN LAS QUE R3 ES EL MISMO QUE EN LA FORMULA (I) Y R4 ES ALCOHILO C1-4; SEGUIDA DE LA REACCION CON UN CLORURO DE ACIDO ETILENICO, DE FORMULA (III), EN LA QUE R2 ES EL MISMO QUE EN LA FORMULA (I); Y CICLISACION DEL COMPUESTO RESULTANTE, EN DISOLUCION ACUOSA DE ACIDO SULFURICO A UNA TEMPERATURA ENTRE 0GC Y 20GC. ESTOS COMPUESTOS TIENEN APLICACIONES EN AGRICULTURA COMO HERBICIDAS. *FORMULA*
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8024698A FR2494270A1 (fr) | 1980-11-14 | 1980-11-14 | Nouveaux derives de la dihydro-2,3 pyrone-4, leur preparation, les compositions herbicides les contenant et leur utilisation pour le desherbage selectif des cultures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8307783A1 true ES8307783A1 (es) | 1983-02-16 |
| ES507097A0 ES507097A0 (es) | 1983-02-16 |
Family
ID=9248193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES507097A Granted ES507097A0 (es) | 1980-11-14 | 1981-11-13 | Procedimiento de preparacion de derivados de la dihidro-2,3-metil-3-fenil-6-pirona-4. |
Country Status (28)
| Country | Link |
|---|---|
| US (1) | US4383849A (es) |
| JP (1) | JPS57109778A (es) |
| KR (1) | KR830007616A (es) |
| AR (1) | AR228073A1 (es) |
| AT (1) | ATA491981A (es) |
| AU (1) | AU7744681A (es) |
| BE (1) | BE891120A (es) |
| BR (1) | BR8107383A (es) |
| CS (1) | CS227681B2 (es) |
| DD (1) | DD201638A5 (es) |
| DE (1) | DE3145038A1 (es) |
| DK (1) | DK502881A (es) |
| ES (1) | ES507097A0 (es) |
| FR (1) | FR2494270A1 (es) |
| GB (1) | GB2087395B (es) |
| GR (1) | GR76328B (es) |
| IL (1) | IL64232A (es) |
| IT (1) | IT1139672B (es) |
| LU (1) | LU83749A1 (es) |
| NL (1) | NL8104965A (es) |
| OA (1) | OA06947A (es) |
| PH (1) | PH16621A (es) |
| PL (1) | PL128601B1 (es) |
| PT (1) | PT73984B (es) |
| RO (1) | RO83302B (es) |
| SU (1) | SU1111673A3 (es) |
| TR (1) | TR21472A (es) |
| ZA (1) | ZA817855B (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0810815D0 (en) * | 2008-06-12 | 2008-07-23 | Syngenta Ltd | Novel herbicides |
| GB0900641D0 (en) * | 2009-01-15 | 2009-02-25 | Syngenta Ltd | Novel herbicides |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060533A (en) * | 1976-06-25 | 1977-11-29 | Sandoz, Inc. | Pyranone carboxamides |
| FR2419940A1 (fr) * | 1978-03-15 | 1979-10-12 | Philagro Sa | Nouveaux derives de la phenyl-2 dihydro-5,6 pyrone-4 et compositions herbicides les contenant |
| FR2452487A1 (fr) * | 1979-03-28 | 1980-10-24 | Rhone Poulenc Agrochimie | Nouveaux derives de la phenyl-2-pyrone-4 et leur utilisation comme fongicides |
-
1980
- 1980-11-14 FR FR8024698A patent/FR2494270A1/fr active Granted
-
1981
- 1981-10-28 US US06/315,981 patent/US4383849A/en not_active Expired - Fee Related
- 1981-11-02 IT IT24815/81A patent/IT1139672B/it active
- 1981-11-03 NL NL8104965A patent/NL8104965A/nl not_active Application Discontinuation
- 1981-11-05 RO RO105725A patent/RO83302B/ro unknown
- 1981-11-08 IL IL64232A patent/IL64232A/xx unknown
- 1981-11-10 PH PH26471A patent/PH16621A/en unknown
- 1981-11-12 DD DD81234808A patent/DD201638A5/de unknown
- 1981-11-12 AU AU77446/81A patent/AU7744681A/en not_active Abandoned
- 1981-11-12 DE DE19813145038 patent/DE3145038A1/de not_active Withdrawn
- 1981-11-12 AR AR287418A patent/AR228073A1/es active
- 1981-11-12 GR GR66515A patent/GR76328B/el unknown
- 1981-11-12 PL PL1981233788A patent/PL128601B1/pl unknown
- 1981-11-12 ZA ZA817855A patent/ZA817855B/xx unknown
- 1981-11-12 PT PT73984A patent/PT73984B/pt unknown
- 1981-11-12 GB GB8134114A patent/GB2087395B/en not_active Expired
- 1981-11-13 JP JP56182177A patent/JPS57109778A/ja active Pending
- 1981-11-13 SU SU813352149A patent/SU1111673A3/ru active
- 1981-11-13 BE BE0/206546A patent/BE891120A/fr not_active IP Right Cessation
- 1981-11-13 CS CS818360A patent/CS227681B2/cs unknown
- 1981-11-13 BR BR8107383A patent/BR8107383A/pt unknown
- 1981-11-13 DK DK502881A patent/DK502881A/da not_active Application Discontinuation
- 1981-11-13 TR TR21472A patent/TR21472A/xx unknown
- 1981-11-13 LU LU83749A patent/LU83749A1/fr unknown
- 1981-11-13 ES ES507097A patent/ES507097A0/es active Granted
- 1981-11-13 AT AT0491981A patent/ATA491981A/de not_active Application Discontinuation
- 1981-11-14 OA OA57543A patent/OA06947A/xx unknown
- 1981-11-14 KR KR1019810004393A patent/KR830007616A/ko unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL64232A0 (en) | 1982-02-28 |
| DE3145038A1 (de) | 1982-07-01 |
| PL128601B1 (en) | 1984-02-29 |
| LU83749A1 (fr) | 1983-09-01 |
| PT73984A (fr) | 1981-12-01 |
| IT1139672B (it) | 1986-09-24 |
| RO83302A (ro) | 1984-02-21 |
| GR76328B (es) | 1984-08-04 |
| AU7744681A (en) | 1982-05-20 |
| RO83302B (ro) | 1984-02-28 |
| ES507097A0 (es) | 1983-02-16 |
| IT8124815A0 (it) | 1981-11-02 |
| JPS57109778A (en) | 1982-07-08 |
| BE891120A (fr) | 1982-05-13 |
| ZA817855B (en) | 1982-10-27 |
| PT73984B (fr) | 1984-05-08 |
| DD201638A5 (de) | 1983-08-03 |
| OA06947A (fr) | 1983-07-31 |
| NL8104965A (nl) | 1982-06-01 |
| FR2494270B1 (es) | 1983-06-24 |
| BR8107383A (pt) | 1982-08-10 |
| CS227681B2 (en) | 1984-05-14 |
| PL233788A1 (es) | 1982-08-16 |
| US4383849A (en) | 1983-05-17 |
| FR2494270A1 (fr) | 1982-05-21 |
| KR830007616A (ko) | 1983-11-04 |
| AR228073A1 (es) | 1983-01-14 |
| SU1111673A3 (ru) | 1984-08-30 |
| GB2087395B (en) | 1984-08-01 |
| GB2087395A (en) | 1982-05-26 |
| DK502881A (da) | 1982-05-15 |
| PH16621A (en) | 1983-11-28 |
| IL64232A (en) | 1985-11-29 |
| TR21472A (tr) | 1984-07-01 |
| ATA491981A (de) | 1986-01-15 |
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