DK0520377T3 - Fremgangsmåde til selektiv fremstilling af 4,4-methylen-bis-(N-phenylalkylcarbamat) - Google Patents

Fremgangsmåde til selektiv fremstilling af 4,4-methylen-bis-(N-phenylalkylcarbamat)

Info

Publication number
DK0520377T3
DK0520377T3 DK92110570.6T DK92110570T DK0520377T3 DK 0520377 T3 DK0520377 T3 DK 0520377T3 DK 92110570 T DK92110570 T DK 92110570T DK 0520377 T3 DK0520377 T3 DK 0520377T3
Authority
DK
Denmark
Prior art keywords
phenylalkylcarbamate
methylene
bis
selective preparation
filtrating
Prior art date
Application number
DK92110570.6T
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 DK0520377T3 publication Critical patent/DK0520377T3/da

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)
DK92110570.6T 1991-06-26 1992-06-23 Fremgangsmåde til selektiv fremstilling af 4,4-methylen-bis-(N-phenylalkylcarbamat) DK0520377T3 (da)

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
DK0520377T3 true DK0520377T3 (da) 1998-04-14

Family

ID=26628663

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92110570.6T DK0520377T3 (da) 1991-06-26 1992-06-23 Fremgangsmåde til selektiv fremstilling af 4,4-methylen-bis-(N-phenylalkylcarbamat)

Country Status (7)

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

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
WO2013067679A1 (zh) * 2011-11-08 2013-05-16 中国科学院过程工程研究所 制备多亚甲基多苯基多氨基甲酸酯的方法

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
JPH0687816A (ja) 1994-03-29
ES2113388T3 (es) 1998-05-01
EP0520377A3 (en) 1993-06-16
EP0520377B1 (en) 1998-02-25
JP2599865B2 (ja) 1997-04-16
ATE163407T1 (de) 1998-03-15
US5384424A (en) 1995-01-24
DE69224495T2 (de) 1998-08-13
EP0520377A2 (en) 1992-12-30
DE69224495D1 (de) 1998-04-02

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