ATE163407T1 - Verfahren zur selektiven herstellung von 4,4- methylen-bis-(n-phenylalkylcarbamate) - Google Patents

Verfahren zur selektiven herstellung von 4,4- methylen-bis-(n-phenylalkylcarbamate)

Info

Publication number
ATE163407T1
ATE163407T1 AT92110570T AT92110570T ATE163407T1 AT E163407 T1 ATE163407 T1 AT E163407T1 AT 92110570 T AT92110570 T AT 92110570T AT 92110570 T AT92110570 T AT 92110570T AT E163407 T1 ATE163407 T1 AT E163407T1
Authority
AT
Austria
Prior art keywords
phenylalkylcarbamate
methylene
bis
selective production
filtrating
Prior art date
Application number
AT92110570T
Other languages
English (en)
Inventor
Jae Seung Oh
Eung Jo Kim
Original Assignee
Lucky Ltd
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 KR1019910010676A external-priority patent/KR940010279B1/ko
Priority claimed from KR1019910024291A external-priority patent/KR950012535B1/ko
Application filed by Lucky Ltd filed Critical Lucky Ltd
Application granted granted Critical
Publication of ATE163407T1 publication Critical patent/ATE163407T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C269/06—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AT92110570T 1991-06-26 1992-06-23 Verfahren zur selektiven herstellung von 4,4- methylen-bis-(n-phenylalkylcarbamate) ATE163407T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019910010676A KR940010279B1 (ko) 1991-06-26 1991-06-26 N-페닐알킬카바메이트의 축합에 의한 4,4-메틸렌-비스(n-페닐 알킬카바메이트)의 선택적 제조방법
KR1019910024291A KR950012535B1 (ko) 1991-12-24 1991-12-24 4,4-메틸렌-비스-(n-페닐알킬카바메이트)의 선택적 제조방법

Publications (1)

Publication Number Publication Date
ATE163407T1 true ATE163407T1 (de) 1998-03-15

Family

ID=26628663

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92110570T ATE163407T1 (de) 1991-06-26 1992-06-23 Verfahren zur selektiven herstellung von 4,4- methylen-bis-(n-phenylalkylcarbamate)

Country Status (7)

Country Link
US (1) US5384424A (de)
EP (1) EP0520377B1 (de)
JP (1) JP2599865B2 (de)
AT (1) ATE163407T1 (de)
DE (1) DE69224495T2 (de)
DK (1) DK0520377T3 (de)
ES (1) ES2113388T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1689495A (en) * 1994-01-27 1995-08-15 Trustees Of Columbia University In The City Of New York, The Enantioselective receptors for amino acid derivatives, and other compounds
HUE040222T2 (hu) * 2011-11-08 2019-02-28 Inst Process Eng Cas Eljárás polimetilén-polifenil-poliamino-formiát elõállítására

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946768A (en) * 1957-08-12 1960-07-26 Bayer Ag Condensation products of carbamic acid esters
GB1398975A (en) * 1971-08-16 1975-06-25 Ici Ltd Heat treatment and distillation of methylene bridged polyphenyl polyisocyanates
DD130143B1 (de) * 1975-08-15 1979-12-27 Guenter Muecke Verfahren zur kontinuierlichen thermischen abtrennung organischer isocyanate aus fluessigem destillationsrueckstand
US4162362A (en) * 1978-10-20 1979-07-24 Atlantic Richfield Company Process for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates
US4230877A (en) * 1979-03-22 1980-10-28 Atlantic Richfield Company Method for increasing the 4,4'dicarbamate isomer of the diphenylmethane dicarbamates during preparation thereof
CA1150293A (en) * 1979-10-01 1983-07-19 Keisuke Wada Process for the production of methylenedicarbanilates
US4287132A (en) * 1980-09-29 1981-09-01 Atlantic Richfield Company Preparation of polyisocyanates from polycarbamates
US4303794A (en) * 1980-12-22 1981-12-01 The Dow Chemical Company Separation and recovery of 4,4'-methylene dimethyl diphenyldicarbamate
JPS57171953A (en) * 1981-04-15 1982-10-22 Asahi Chem Ind Co Ltd Improved method for condensing n-phenylcarbamic acid ester
JPS5862151A (ja) * 1981-10-12 1983-04-13 Asahi Chem Ind Co Ltd Ｎ−フエニルカルバミン酸エステルの縮合方法
JPS59172451A (ja) * 1983-03-18 1984-09-29 Asahi Chem Ind Co Ltd ポリイソシアナ−ト類の製造方法
JPS60231640A (ja) * 1984-05-02 1985-11-18 Asahi Chem Ind Co Ltd イソシアナ−トの連続的製法
JPH0240061B2 (ja) * 1984-05-10 1990-09-10 Asahi Chemical Ind Isoshianaatonorenzokutekiseizohoho
JPS6267059A (ja) * 1985-09-18 1987-03-26 Nippon Kokan Kk <Nkk> ジフエニルメタンジカルバミン酸エステル類の製造方法
JPH02757A (ja) * 1988-02-10 1990-01-05 Sumitomo Metal Ind Ltd 芳香族ポリイソシアネートの製造方法
JPH0283363A (ja) * 1988-09-19 1990-03-23 Sumitomo Metal Ind Ltd 芳香族ポリカーバメートの製造方法

Also Published As

Publication number Publication date
EP0520377A2 (de) 1992-12-30
ES2113388T3 (es) 1998-05-01
JP2599865B2 (ja) 1997-04-16
EP0520377B1 (de) 1998-02-25
DE69224495T2 (de) 1998-08-13
EP0520377A3 (en) 1993-06-16
US5384424A (en) 1995-01-24
JPH0687816A (ja) 1994-03-29
DE69224495D1 (de) 1998-04-02
DK0520377T3 (da) 1998-04-14

Similar Documents

Publication Publication Date Title
DE69021019D1 (de) Ein Verfahren zur Herstellung eines Extraktes aus Gingko biloba-Blättern.
DE59300575D1 (de) Verfahren zur Herstellung von Ameisensäure durch thermische Spaltung von quartären Ammoniumformiaten.
DE3866617D1 (de) Verfahren zur herstellung von 2,3-pyridindicarbonsaeure-verbindungen.
ATE221062T1 (de) Verfahren zur herstellung von thioxanthon und derivaten davon
DE69004582D1 (de) Verfahren zur Herstellung von alpha-Hydroxycarbonsäure-Amid.
DE59001820D1 (de) Verfahren zur herstellung von indolcarbonsaeurederivaten.
DE3769973D1 (de) Verfahren zur herstellung von niedermolekularen alkalihuminaten.
ATE163407T1 (de) Verfahren zur selektiven herstellung von 4,4- methylen-bis-(n-phenylalkylcarbamate)
ATE125797T1 (de) Verfahren zur herstellung von chinolinen.
DE69006336D1 (de) Verfahren zur Herstellung von alpha-Hydroxyisobuttersäureamid.
DE3768426D1 (de) Verfahren zur herstellung von 4,4&#39;-biphenyldicarbonsaeure.
DE3671742D1 (de) Verfahren zur herstellung von dialkalisalzen der naphthalin-2,6-dicarbonsaeure.
DE69417326D1 (de) Verfahren zur Herstellung von Chromanen
ATE37023T1 (de) Verfahren zur herstellung von aethyltrifluoracetoacetat.
DE59002919D1 (de) Verfahren zur herstellung eines thermoplastisch verarbeitbaren, aromatischen polyamids.
DE69102114D1 (de) Verfahren zur Herstellung von Adipinsäure durch Hydrocarboxylierung der Pentensäuren.
DE69901015D1 (de) Verfahren zur Herstellung von 2- und 4-Hydroxymandelsäure
DE59003230D1 (de) Verfahren zur Herstellung von 2,4- bzw. 2,6-Dihalogen-anilin.
DE69204006D1 (de) Verfahren zur Herstellung von Adipinsäure durch Hydroxycarboxylierung der Pentensäuren.
ATE51398T1 (de) Verfahren zur herstellung von 4,4&#39;-dinitrostilben-2,2&#39;-disulfonsaeure.
DE58908961D1 (de) Verfahren zur Isolierung von 2-Keto-polyhydroxy-C6-carbonsäuren, insbesondere von 2-Keto-L-gulonsäure aus wässrigen Fermentationsausträgen.
ATA407081A (de) Verfahren zur herstellung von cyclopropancarbon- saeurederivaten, welche eine aldehdgruppe tragen
DE59008482D1 (de) Verfahren zur Herstellung von 2,4,5-Triamino-6-hydroxypyrimidin durch katalytische Hydrierung von 2,4-Diamino-6-hydroxy-5-nitrosopyrimidin.
DE69102260D1 (de) Verfahren zur Herstellung von Adipinsäure durch Hydrocarboxylierung der Pentensäuren.
ATA181893A (de) Verfahren zur herstellung von isocyansäure aus cyanursäure

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee