ES8400401A1 - "un procedimiento para preparar un 1,4-dialcohilo inferior-3-alcoxicarbonilo inferior-pirrol-2-acetato de alcohilo inferior". - Google Patents

"un procedimiento para preparar un 1,4-dialcohilo inferior-3-alcoxicarbonilo inferior-pirrol-2-acetato de alcohilo inferior".

Info

Publication number
ES8400401A1
ES8400401A1 ES514057A ES514057A ES8400401A1 ES 8400401 A1 ES8400401 A1 ES 8400401A1 ES 514057 A ES514057 A ES 514057A ES 514057 A ES514057 A ES 514057A ES 8400401 A1 ES8400401 A1 ES 8400401A1
Authority
ES
Spain
Prior art keywords
substituted pyrroles
producing substituted
producing
pyrroles
diloweralkyl
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
Application number
ES514057A
Other languages
English (en)
Other versions
ES514057A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ethyl Corp
Original Assignee
Ethyl Corp
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
Application filed by Ethyl Corp filed Critical Ethyl Corp
Publication of ES8400401A1 publication Critical patent/ES8400401A1/es
Publication of ES514057A0 publication Critical patent/ES514057A0/es
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/34—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrrole Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE PIRROL DE FORMULA (I), EN LA QUE R3 Y R4 SON ALQUILO INFERIOR.CONSISTE EN LA REACCION DE UN CLOROMETILCETONA DE FORMULA C1CH2-COR4 CON UNA MEZCLA ENFRIADA DE AMINA DE FORMULA R3NH2 Y UN DICARBOXILATO DE DIALQUILO INFERIOR-ACETONA, EN UN DISOLVENTE INERTE, A TEMPERATURA INFERIOR A 60JC; SEGUIDA DE CALENTAMIENTO DE LA MEZCLA DE REACCION RESULTANTE A TEMPERATURAS ENTRE 70JC Y 100JC, PARA PRODUCIR LA DESHIDRATACION DEL INTERMEDIO DE DIHIDROXI PIRROLIDINA.ESTOS COMPUESTOS TIENEN APLICACIONES FARMACOLOGICAS COMO ANALGESICOS Y ANTIINFLAMATORIOS.
ES514057A 1981-08-18 1982-07-16 "un procedimiento para preparar un 1,4-dialcohilo inferior-3-alcoxicarbonilo inferior-pirrol-2-acetato de alcohilo inferior". Granted ES514057A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/293,853 US4388468A (en) 1980-04-04 1981-08-18 Process for producing substituted pyrroles

Publications (2)

Publication Number Publication Date
ES8400401A1 true ES8400401A1 (es) 1983-10-16
ES514057A0 ES514057A0 (es) 1983-10-16

Family

ID=23130865

Family Applications (1)

Application Number Title Priority Date Filing Date
ES514057A Granted ES514057A0 (es) 1981-08-18 1982-07-16 "un procedimiento para preparar un 1,4-dialcohilo inferior-3-alcoxicarbonilo inferior-pirrol-2-acetato de alcohilo inferior".

Country Status (7)

Country Link
US (1) US4388468A (es)
EP (1) EP0072441A1 (es)
JP (1) JPS5852269A (es)
AU (1) AU538488B2 (es)
DK (1) DK321882A (es)
ES (1) ES514057A0 (es)
NO (1) NO822471L (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455433A (en) * 1981-11-02 1984-06-19 Ethyl Corporation Process for producing substituted pyrroles
US4874872A (en) * 1987-01-14 1989-10-17 Syntex (U.S.A.) Inc. Process for preparing (+)-2,3-dihydro-1H-pyrrolo[1,2-A]pyrrole-1,7-dicarboxylates
US4835288A (en) * 1987-01-14 1989-05-30 Syntex Inc. Process for preparing (+)-2,3-dihydro-1H-pyrrolo[1,2-a]pyrrole-1,7-dicarboxylates
US4937368A (en) * 1987-01-14 1990-06-26 Syntex (U.S.A.) Inc. Process for preparing (+)-2,3-dihydro-1H-pyrrolo[1,2-A]pyrrole-1,7-dicarboxylates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752826A (en) * 1970-01-26 1973-08-14 Mcneilab Inc Aroyl substituted pyrroles
US3952012A (en) * 1970-01-26 1976-04-20 Mcneil Laboratories, Incorporated Aroyl-substituted pyrroles
US4048191A (en) * 1975-06-27 1977-09-13 Mcneil Laboratories, Incorporated Halo-substituted 1-loweralkyl-5-aroylpyrrole-2-acetic acid compounds
CA1105039A (en) * 1978-10-19 1981-07-14 Douglas A. Robinson Process for producing substituted pyrrole diesters

Also Published As

Publication number Publication date
NO822471L (no) 1983-02-21
AU8608082A (en) 1983-02-24
US4388468A (en) 1983-06-14
AU538488B2 (en) 1984-08-16
JPS5852269A (ja) 1983-03-28
DK321882A (da) 1983-02-19
ES514057A0 (es) 1983-10-16
EP0072441A1 (en) 1983-02-23

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