MX3479E - PROCESS TO PREPARE A 2-SULFINYL OR 2-SULFONYL-PIRIDINE N-OXIDE COMPOUND - Google Patents

PROCESS TO PREPARE A 2-SULFINYL OR 2-SULFONYL-PIRIDINE N-OXIDE COMPOUND

Info

Publication number
MX3479E
MX3479E MX7276U MX7276U MX3479E MX 3479 E MX3479 E MX 3479E MX 7276 U MX7276 U MX 7276U MX 7276 U MX7276 U MX 7276U MX 3479 E MX3479 E MX 3479E
Authority
MX
Mexico
Prior art keywords
phenyl
nitro
halogen
alkyl
sulfinyl
Prior art date
Application number
MX7276U
Other languages
Spanish (es)
Inventor
Howard Leon Plant
Allyn Roy Bell
Original Assignee
Uniroyal Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/559,188 external-priority patent/US4019893A/en
Priority claimed from US05/559,196 external-priority patent/US3960542A/en
Application filed by Uniroyal Inc filed Critical Uniroyal Inc
Publication of MX3479E publication Critical patent/MX3479E/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/89—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La presente invención se refiere a proceso para preparar un compuesto de n-óxido de 2-sulfinil o 2-sulfonil-piridina de la fórmula (ver gaceta) en que n es 1 o 2; R1 es un hidrógeno o metilo; R2 tiene uno de los siguientes valores cuando R1 es hidrógeno: 2,2-diclorociclopropilo; 2,2-dicloro-1-metilciclopropilo, ciano, naftilo, metilnaftino, fenil monosubstituído en el que el substituyente está en posición orto y se relaciona del alquilo, con 1 a 2 átomos de carbono, halógeno, nitro o fenilo polisubstituído con 2 hasta 5 substituyentes que pueden ser los mismos o distintos y se selecionan del alquilo con 1 a 2 átomos de carbono, halógeno, nitro, metoxi, etoxi, y metilenodioxi; y R2 tiene uno de los siguientes valores: cuando R1 es metilo: fenilo, naftilo, fenilo, substituidos con 1 a 3 substituyentes que pueden ser los mismos o distintos y se seleccionan del alquilo con 1 a 2 átomos de carbono, halógeno y nitro, caracterizados en que el N-óxido de 2-tioperidina se hace reaccionar con un agente oxidante en presencia de un solvente que es agua a una temperatura de desde 0°C, hasta el reflujo, y se emplea un catalizador seleccionado del grupo de sales de tungstaneo vanadio, zirconio y molibdeno.The present invention relates to a process for preparing a 2-sulfinyl or 2-sulfonyl-pyridine n-oxide compound of the formula (see gazette) wherein n is 1 or 2; R1 is a hydrogen or methyl; R2 has one of the following values when R1 is hydrogen: 2,2-dichlorocyclopropyl; 2,2-dichloro-1-methylcyclopropyl, cyano, naphthyl, methylnaphtin, monosubstituted phenyl in which the substituent is in the ortho position and is related to the alkyl, with 1 to 2 carbon atoms, halogen, nitro or polysubstituted phenyl with 2 to 5 substituents which may be the same or different and are selected from C 1 -C 2 -alkyl, halogen, nitro, methoxy, ethoxy, and methylenedioxy; and R2 has one of the following values: when R1 is methyl: phenyl, naphthyl, phenyl, substituted with 1 to 3 substituents which may be the same or different and are selected from alkyl with 1 to 2 carbon atoms, halogen and nitro, characterized in that the 2-thioperidine N-oxide is reacted with an oxidizing agent in the presence of a solvent that is water at a temperature from 0 ° C to reflux, and a catalyst selected from the group of salts of tungstaneo vanadium, zirconium and molybdenum.

MX7276U 1975-03-17 1976-03-15 PROCESS TO PREPARE A 2-SULFINYL OR 2-SULFONYL-PIRIDINE N-OXIDE COMPOUND MX3479E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/559,188 US4019893A (en) 1975-03-17 1975-03-17 Herbicidal method using 2-sulfinyl or 2-sulfonyl pyridine N-oxide derivatives
US05/559,196 US3960542A (en) 1975-03-17 1975-03-17 Herbicidal 2-sulfinyl and 2-sulfonyl pyridine N-oxide derivatives

Publications (1)

Publication Number Publication Date
MX3479E true MX3479E (en) 1980-12-15

Family

ID=27071993

Family Applications (1)

Application Number Title Priority Date Filing Date
MX7276U MX3479E (en) 1975-03-17 1976-03-15 PROCESS TO PREPARE A 2-SULFINYL OR 2-SULFONYL-PIRIDINE N-OXIDE COMPOUND

Country Status (13)

Country Link
JP (1) JPS51115926A (en)
AR (1) AR221680A1 (en)
CH (2) CH610722A5 (en)
CS (1) CS201538B2 (en)
DD (2) DD129731A5 (en)
DE (1) DE2609204A1 (en)
FR (1) FR2304292A1 (en)
GB (1) GB1542881A (en)
HU (1) HU178363B (en)
IT (1) IT1062195B (en)
MX (1) MX3479E (en)
PL (1) PL99519B1 (en)
SU (1) SU583750A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050921A (en) 1976-04-16 1977-09-27 Uniroyal Inc. Regulation of the natural growth or development of plants with 2-sulfinyl or 2-sulfonyl pyridine N-oxide compounds
US4503230A (en) * 1981-08-20 1985-03-05 Uniroyal, Inc. Alkylation of substituted sulfonylpyridines
AT389874B (en) * 1988-04-29 1990-02-12 Agrolinz Agrarchemikalien NEW PYRIDYL-THIO-ETHYLAZOLES, METHOD FOR THE PRODUCTION THEREOF AND THEIR FUNGICIDES CONTAINING THEM

Also Published As

Publication number Publication date
DE2609204A1 (en) 1976-10-07
IT1062195B (en) 1983-07-28
DD129731A5 (en) 1978-02-08
SU583750A3 (en) 1977-12-05
FR2304292B1 (en) 1979-01-05
AU1181776A (en) 1977-09-15
HU178363B (en) 1982-04-28
DD124876A5 (en) 1977-03-16
CS201538B2 (en) 1980-11-28
PL99519B1 (en) 1978-07-31
GB1542881A (en) 1979-03-28
JPS51115926A (en) 1976-10-13
CH615667A5 (en) 1980-02-15
FR2304292A1 (en) 1976-10-15
AR221680A1 (en) 1981-03-13
CH610722A5 (en) 1979-05-15

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