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
Authority: DK; Denmark
Prior art keywords: phenylalkylcarbamate; methylene; bis; selective preparation; filtrating
Prior art date: 1991-06-26

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.)

1991-06-26

Filing date

1992-06-23

Publication date

1998-04-14

1991-06-26 Priority claimed from KR1019910010676A external-priority patent/KR940010279B1/ko

1991-12-24 Priority claimed from KR1019910024291A external-priority patent/KR950012535B1/ko

1992-06-23 Application filed by Lucky Ltd filed Critical Lucky Ltd

1998-04-14 Application granted granted Critical

1998-04-14 Publication of DK0520377T3 publication Critical patent/DK0520377T3/da

Links

238000000034 method Methods 0.000 title abstract 2
238000002360 preparation method Methods 0.000 title abstract 2
NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 abstract 1
230000002378 acidificating effect Effects 0.000 abstract 1
239000011260 aqueous acid Substances 0.000 abstract 1
239000003054 catalyst Substances 0.000 abstract 1
239000007859 condensation product Substances 0.000 abstract 1
239000003456 ion exchange resin Substances 0.000 abstract 1
229920003303 ion-exchange polymer Polymers 0.000 abstract 1
238000002844 melting Methods 0.000 abstract 1
230000008018 melting Effects 0.000 abstract 1
239000012022 methylating agents‎ Substances 0.000 abstract 1
239000003880 polar aprotic solvent Substances 0.000 abstract 1

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 (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1995020590A1 (en) *	1994-01-27	1995-08-03	The Trustees Of Columbia University In The City Of New York	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
CN117185962A (zh) *	2022-08-30	2023-12-08	海南华盛水泥投资有限公司	高效制备二苯甲烷二氨基甲酸甲酯的方法及其制备的产物和应用

Family Cites Families (14)

* 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

1992
- 1992-06-23 ES ES92110570T patent/ES2113388T3/es not_active Expired - Lifetime
- 1992-06-23 DE DE69224495T patent/DE69224495T2/de not_active Expired - Fee Related
- 1992-06-23 DK DK92110570.6T patent/DK0520377T3/da active
- 1992-06-23 AT AT92110570T patent/ATE163407T1/de not_active IP Right Cessation
- 1992-06-23 EP EP92110570A patent/EP0520377B1/en not_active Expired - Lifetime
- 1992-06-25 JP JP4167504A patent/JP2599865B2/ja not_active Expired - Fee Related
- 1992-06-25 US US07/904,736 patent/US5384424A/en not_active Expired - Lifetime

Also Published As

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

Similar Documents

Publication	Publication Date	Title
Chesselet	1984	Presynaptic regulation of neurotransmitter release in the brain: facts and hypothesis
DK0652202T3 (da)	1997-12-22	Fremgangsmåde til fremstilling af myresyre eller derivater deraf
ES507799A0 (es)	1983-01-16	Mejoras en la patente de invencion n.483191, referente a sistema de fijacion funcional para osteosintesis.
PT99779A (pt)	1993-01-29	Processo para a preparacao de composicoes liquidas concentradas a base de sucralose
DK0629608T3 (da)	1999-07-05	Fremgangsmåde til fremstilling af N-acyl-N,N',N'-ethylendiamintrieddikesyrederivater
JPS54107882A (en)	1979-08-24	Semipermeable membrane
PT911037E (pt)	2002-12-31	Preparacao de imunoglobulina armazenavel a temperatura ambiente para injeccao intravenosa
PL327478A1 (en)	1999-01-18	Method of depolymerising polyamides
DK133815B (da)	1976-07-26	Fremgangsmade til fremstilling af anionogene, sulfonsyregruppeholdige melaminformaldehyd- eller melamin- urinstofformaldehydkondensationsprodukter i vandig oplosning med hojt faststofindhold
DE3788273D1 (de)	1994-01-05	Verfahren zur Herstellung von Harzen, welche bei Raumtemperatur härten.
EP0075827A3 (en)	1984-03-21	Polyepoxide curing by polymercaptans plus catalytic co-curing agents
AR244674A1 (es)	1993-11-30	Procedimiento para preparar derivados de acidos 3,4-dihidro-3-tioxo-2h-1,4-bensoxa (o tia)zin-4-aceticos.
IT8419740A0 (it)	1984-02-22	Derivati dell'acido benzochinolizin carbossilico, e processo per lapreparazione di essi.
DE69714246D1 (de)	2002-08-29	Verfahren zur Herstellung von Thioxanthon und Derivaten davon
ATE96784T1 (de)	1993-11-15	Verfahren zur reinigung von tryptophan.
DK0520377T3 (da)	1998-04-14	Fremgangsmåde til selektiv fremstilling af 4,4-methylen-bis-(N-phenylalkylcarbamat)
ES2004835A4 (es)	1989-02-16	Procedimiento para la preparacion de humiatos de metales alcalinos debajo peso molecular.
MX161095A (es)	1990-07-27	Procedimiento para la obtencion de poliamidas termoplasticas
DE69020119D1 (de)	1995-07-20	Verfahren zur Herstellung von hochreiner Naphthalin-2,6-Dicarbonsäure.
IT1239029B (it)	1993-09-20	Processo per la preparazione dell'acido 3-(l-piroglutamil)-l- tiazolidin-4-carbossilico e suoi derivati.
ATE37023T1 (de)	1988-09-15	Verfahren zur herstellung von aethyltrifluoracetoacetat.
DK53890D0 (da)	1990-03-01	Drik med en ph-vaerdi fra 3,6 til 4,2 paa basis af usyrnet maelk samt fremgangsmaade til fremstilling deraf
ATE64404T1 (de)	1991-06-15	Modifizierte katalysatoren fuer phenolische schaumstoffe und verfahren.
MX9207468A (es)	1993-06-01	Proceso para preparar acido 2,6-naftalenodicarboxilico purificado.
EP0429848A3 (en)	1992-02-05	Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid