ES2033816T3 - Procedimiento para preparar 2-alquil- o 2-fenil-1,4,5,6-tetrahidropirimidinas. - Google Patents

Procedimiento para preparar 2-alquil- o 2-fenil-1,4,5,6-tetrahidropirimidinas.

Info

Publication number
ES2033816T3
ES2033816T3 ES198787202466T ES87202466T ES2033816T3 ES 2033816 T3 ES2033816 T3 ES 2033816T3 ES 198787202466 T ES198787202466 T ES 198787202466T ES 87202466 T ES87202466 T ES 87202466T ES 2033816 T3 ES2033816 T3 ES 2033816T3
Authority
ES
Spain
Prior art keywords
alkyl
preparing
phenyl
tetrahydropyrimidines
procedure
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 - Lifetime
Application number
ES198787202466T
Other languages
English (en)
Inventor
Antonius Jacobus Josephus Maria Teunissen
Willem Klop
Hubertus Johannes Aloysius Victor Delahaye
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.)
Koninklijke DSM NV
Original Assignee
DSM NV
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 DSM NV filed Critical DSM NV
Application granted granted Critical
Publication of ES2033816T3 publication Critical patent/ES2033816T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/06—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Catalysts (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCESO PARA PREPARAR UNA 2-ALQUIL -1,4,5,6-TETRAHIDROPIRIMIDINA DE FORMULA (I) EN LA QUE R REPRESENTA UNA CADENA LINEAL O RAMIFICADA CON 1 A 8 ATOMOS DE CARBONO O UN GRUPO FENILO, A PERTIR DE 1,3-DIAMINOPROPANO Y UN ACIDO ALCANODICARBOXILICO, EN EL QUE EL GRUPO ALQUILO DE DICHO ACIDO ES EL GRUPO R ANTES INDICADO. EN ESTE PROCESO LOS MATERIALES DE PARTIDA SE HACEN REACCIONAR EN FASE GASEOSA EN PRESENCIA DE UN CATALIZADOR OXIDO A UNA TEMPERATURA ENTRE 250 Y 450 GRADOS C Y A A PARTIR DE LA MEZCLA DE REACCION ASI OBTENIDA SE RECUPERA LA 2-ALQUIL-1,4,5,6-TETRAHIDROPIRIMIDINA.
ES198787202466T 1986-12-12 1987-12-09 Procedimiento para preparar 2-alquil- o 2-fenil-1,4,5,6-tetrahidropirimidinas. Expired - Lifetime ES2033816T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8603168A NL8603168A (nl) 1986-12-12 1986-12-12 Werkwijze voor de bereiding van een 2-alkyl-1,4,5,6-tetrahydropyrimidine.

Publications (1)

Publication Number Publication Date
ES2033816T3 true ES2033816T3 (es) 1993-04-01

Family

ID=19848993

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787202466T Expired - Lifetime ES2033816T3 (es) 1986-12-12 1987-12-09 Procedimiento para preparar 2-alquil- o 2-fenil-1,4,5,6-tetrahidropirimidinas.

Country Status (8)

Country Link
US (1) US4880929A (es)
EP (1) EP0276503B1 (es)
JP (1) JPS63156780A (es)
AT (1) ATE78471T1 (es)
DE (1) DE3780616T2 (es)
ES (1) ES2033816T3 (es)
GR (1) GR3006051T3 (es)
NL (1) NL8603168A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820176A1 (de) * 1987-12-18 1989-06-29 Bayer Ag Verfahren zur herstellung von phosphorsaeurederivaten und zwischenprodukten
US4999427A (en) * 1988-05-16 1991-03-12 Dowelanco Process for the preparation of 2-alkylpyrimidines
CA2023492A1 (en) * 1989-08-31 1991-03-01 Barry Clifford Lange Herbicidal glutarimides
US5180700A (en) * 1991-05-13 1993-01-19 Dowelanco Regeneration and extension of lifetime of dehydrogenation catalysts used in the preparation of 2-alkylpyrimidines
US5189166A (en) * 1992-07-17 1993-02-23 Dowelanco Process for the preparation of 2-alkyl-5-hydroxypyrimidines from 1,3-diamino-2-propanol and an alkanecarboxylic acid

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704757A (en) * 1954-01-13 1955-03-22 Searle & Co 5-hydroxy-3, 4, 5, 6-tetrahydropyriminines
US3041338A (en) * 1958-07-21 1962-06-26 Nalco Chemical Co 5-hydroxy substituted tetrahydro-pyrimidines
US3050523A (en) * 1960-01-08 1962-08-21 Air Prod & Chem Preparation of pyrimidines
US4493929A (en) * 1981-09-14 1985-01-15 The Dow Chemical Company Preparation of 2-alkylpyrimidines
US4376201A (en) * 1981-09-14 1983-03-08 The Dow Chemical Company Preparation of 2-alkylpyrimidines
EP0193973B1 (en) * 1983-03-04 1988-07-06 The Dow Chemical Company Method of preparation of 2-alkylpyrimidine by dehydrogenation of 2-alkyltetrahydropyrimidine
NL8403258A (nl) * 1984-10-26 1986-05-16 Stamicarbon Werkwijze voor de bereiding van pyrimidine.
NL8502797A (nl) * 1985-02-15 1986-09-01 Stamicarbon Werkwijze voor de bereiding van 2-alkylpyrimidine.

Also Published As

Publication number Publication date
DE3780616D1 (de) 1992-08-27
GR3006051T3 (es) 1993-06-21
EP0276503A1 (en) 1988-08-03
ATE78471T1 (de) 1992-08-15
US4880929A (en) 1989-11-14
NL8603168A (nl) 1988-07-01
EP0276503B1 (en) 1992-07-22
DE3780616T2 (de) 1993-03-04
JPS63156780A (ja) 1988-06-29

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