ZA806546B - A process for the production of urethanes useful in the production of isocyanates - Google Patents

A process for the production of urethanes useful in the production of isocyanates

Info

Publication number
ZA806546B
ZA806546B ZA00806546A ZA806546A ZA806546B ZA 806546 B ZA806546 B ZA 806546B ZA 00806546 A ZA00806546 A ZA 00806546A ZA 806546 A ZA806546 A ZA 806546A ZA 806546 B ZA806546 B ZA 806546B
Authority
ZA
South Africa
Prior art keywords
production
lead
salts
catalysts
tin
Prior art date
Application number
ZA00806546A
Other languages
English (en)
Inventor
S Penninger
R Fauss
K Koenig
K Findeisen
R Sundermann
Original Assignee
Bayer Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6084534&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA806546(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA806546B publication Critical patent/ZA806546B/xx

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
    • C07D213/04—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 having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—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 having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/72—Nitrogen atoms
    • C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/16—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
    • C07D295/20—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof
    • C07D295/205—Radicals derived from carbonic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/46—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom
    • C07D333/48—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom by oxygen atoms

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyridine Compounds (AREA)
  • Furan Compounds (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Circuits Of Receivers In General (AREA)
  • External Artificial Organs (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Peptides Or Proteins (AREA)
ZA00806546A 1979-10-27 1980-10-24 A process for the production of urethanes useful in the production of isocyanates ZA806546B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792943481 DE2943481A1 (de) 1979-10-27 1979-10-27 Verfahren zur herstellung von urethanen und ihre verwendung zur herstellung von isocyanaten

Publications (1)

Publication Number Publication Date
ZA806546B true ZA806546B (en) 1981-11-25

Family

ID=6084534

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00806546A ZA806546B (en) 1979-10-27 1980-10-24 A process for the production of urethanes useful in the production of isocyanates

Country Status (9)

Country Link
EP (1) EP0027940B2 (fr)
JP (1) JPS57114561A (fr)
AT (1) ATE4640T1 (fr)
AU (1) AU538535B2 (fr)
BR (1) BR8006849A (fr)
CA (1) CA1144562A (fr)
DE (2) DE2943481A1 (fr)
ES (1) ES496232A0 (fr)
ZA (1) ZA806546B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3110573A1 (de) * 1981-03-18 1982-10-21 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von n- und o-substituierten di- und/oder polyurethanen
DE3523692A1 (de) * 1985-07-03 1987-01-08 Basf Ag Verfahren zur herstellung von (omega)-isocyanatoalkyl(meth)acrylaten
US4925971A (en) * 1987-12-08 1990-05-15 Asahi Kasei Kogyo Kabushiki Kaisha Method for producing aliphatic o-arylurethanes
DE4342426A1 (de) * 1993-12-13 1995-06-14 Bayer Ag Verfahren zur Herstellung von Diurethanen und ihre Verwendung zur Herstellung von Diisocyanaten
DE4441176A1 (de) 1994-11-18 1996-05-23 Bayer Ag Allophanatgruppen aufweisende Polyisocyanate
DE19523386A1 (de) * 1995-06-23 1997-01-09 Bayer Ag Verfahren zur Entfernung von Nebenprodukten aus Diurethanen
DE19541384A1 (de) * 1995-11-07 1997-05-15 Basf Ag Verfahren zur Herstellung von organischen Diurethanen und/oder Polyurethanen und ihre Verwendung zur Herstellung von Di- und/oder Polyisocyanaten
WO2001047870A2 (fr) * 1999-12-27 2001-07-05 Huntsman International Llc Procede de production de polycarbamates aromatiques
JP5499022B2 (ja) * 2009-03-26 2014-05-21 三井化学株式会社 ウレタン化合物の製造方法およびイソシアネートの製造方法
JP5499023B2 (ja) * 2009-04-09 2014-05-21 三井化学株式会社 ウレタン化合物の製造方法およびイソシアネートの製造方法
JP5643517B2 (ja) * 2010-02-04 2014-12-17 三井化学株式会社 触媒処理方法
JP5518605B2 (ja) 2010-07-07 2014-06-11 三井化学株式会社 トルエンジカルバメートの製造方法、トルエンジイソシアネートの製造方法、および、トルエンジカルバメート

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2409712A (en) * 1944-02-03 1946-10-22 Du Pont Chemical process and products
US2806051A (en) * 1955-11-01 1957-09-10 Goodrich Co B F Method for preparing urethanes by reacting urea, amines and an alcohol
DE2917493A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aliphatischen und cycloaliphatischen di- und polyurethanen
DE2917569A1 (de) * 1979-04-30 1980-11-13 Basf Ag Verfahren zur herstellung von aromatischen di- und polyurethanen

Also Published As

Publication number Publication date
JPS57114561A (en) 1982-07-16
AU538535B2 (en) 1984-08-16
BR8006849A (pt) 1981-04-28
DE2943481A1 (de) 1981-05-07
AU6371380A (en) 1981-04-30
ES8106883A1 (es) 1981-09-16
CA1144562A (fr) 1983-04-12
JPH0314819B2 (fr) 1991-02-27
ATE4640T1 (de) 1983-09-15
DE3064837D1 (en) 1983-10-20
EP0027940B2 (fr) 1986-12-30
ES496232A0 (es) 1981-09-16
EP0027940B1 (fr) 1983-09-14
EP0027940A1 (fr) 1981-05-06

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