ZA919723B - Process for the preparation of n-mono-or n,n-disubstituted ureas - Google Patents

Process for the preparation of n-mono-or n,n-disubstituted ureas

Info

Publication number
ZA919723B
ZA919723B ZA919723A ZA919723A ZA919723B ZA 919723 B ZA919723 B ZA 919723B ZA 919723 A ZA919723 A ZA 919723A ZA 919723 A ZA919723 A ZA 919723A ZA 919723 B ZA919723 B ZA 919723B
Authority
ZA
South Africa
Prior art keywords
mono
preparation
disubstituted ureas
ureas
disubstituted
Prior art date
Application number
ZA919723A
Inventor
Markus Rossler
Rossler Markus
Gerhard Stern
Stern Gerhard
Martin Mullner
Mullner Martin
Original Assignee
Chemie Linz Gmbh
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 Chemie Linz Gmbh filed Critical Chemie Linz Gmbh
Publication of ZA919723B publication Critical patent/ZA919723B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1809—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety
    • C07C273/1818—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety from -N=C=O and XNR'R"
    • C07C273/1827—X being H
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/28—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton

Landscapes

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

Abstract

Process for the preparation of N-mono- or N,N-disubstituted ureas by reacting ammonium isocyanate with a primary or secondary amine in a diluent.
ZA919723A 1991-01-18 1991-12-10 Process for the preparation of n-mono-or n,n-disubstituted ureas ZA919723B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0011191A AT396363B (en) 1991-01-18 1991-01-18 METHOD FOR PRODUCING N-MONO OR N, N-DISUBSTITUTED UREAS

Publications (1)

Publication Number Publication Date
ZA919723B true ZA919723B (en) 1992-09-30

Family

ID=3481814

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA919723A ZA919723B (en) 1991-01-18 1991-12-10 Process for the preparation of n-mono-or n,n-disubstituted ureas

Country Status (11)

Country Link
EP (1) EP0495218B1 (en)
JP (1) JPH04295456A (en)
KR (1) KR920014769A (en)
AT (2) AT396363B (en)
AU (1) AU645168B2 (en)
CZ (1) CZ282512B6 (en)
DE (1) DE59105723D1 (en)
ES (1) ES2073105T3 (en)
HU (1) HU211451B (en)
NZ (1) NZ240997A (en)
ZA (1) ZA919723B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19749979C2 (en) * 1997-11-05 2000-01-13 Schering Ag Medicaments containing N, N'-substituted ureas and their derivatives
JP5647790B2 (en) 2007-11-16 2015-01-07 株式会社カネカ Process for producing N-carbamoyl-tert-leucine
EP2119489A1 (en) * 2008-05-14 2009-11-18 Uhde Fertilizer Technology B.V. Method for reducing aerosol emissions in a urea granulation plant

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH318184A (en) * 1952-04-16 1956-12-31 Rohm & Haas Process for the preparation of ureidoalkylvinyl ethers
US4996359A (en) * 1988-03-14 1991-02-26 Arco Chemical Technology, Inc. Process for the preparation of aromatic bis dialkyl ureas
DE3928566A1 (en) * 1989-08-29 1991-03-07 Chemie Linz Deutschland Unsymmetrically-substd. urea(s) prepn. - by reaction of prim. or sec. amine with substd. ammonium isocyanate in inert diluent

Also Published As

Publication number Publication date
ATA11191A (en) 1992-12-15
AT396363B (en) 1993-08-25
ES2073105T3 (en) 1995-08-01
CZ282512B6 (en) 1997-07-16
AU645168B2 (en) 1994-01-06
HU211451B (en) 1995-11-28
KR920014769A (en) 1992-08-25
AU1023492A (en) 1992-07-23
NZ240997A (en) 1993-07-27
CS366491A3 (en) 1992-08-12
HU9200163D0 (en) 1992-05-28
EP0495218B1 (en) 1995-06-14
ATE123765T1 (en) 1995-06-15
HUT60242A (en) 1992-08-28
EP0495218A1 (en) 1992-07-22
DE59105723D1 (en) 1995-07-20
JPH04295456A (en) 1992-10-20

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