JPS634819B2 - - Google Patents

Info

Publication number
JPS634819B2
JPS634819B2 JP56033140A JP3314081A JPS634819B2 JP S634819 B2 JPS634819 B2 JP S634819B2 JP 56033140 A JP56033140 A JP 56033140A JP 3314081 A JP3314081 A JP 3314081A JP S634819 B2 JPS634819 B2 JP S634819B2
Authority
JP
Japan
Prior art keywords
phenylcarbamate
acid
group
reaction
catalyst
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP56033140A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57149260A (en
Inventor
Shinsuke Fukuoka
Masazumi Chono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co 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
Application filed by Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP56033140A priority Critical patent/JPS57149260A/ja
Publication of JPS57149260A publication Critical patent/JPS57149260A/ja
Publication of JPS634819B2 publication Critical patent/JPS634819B2/ja
Granted legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
JP56033140A 1981-03-10 1981-03-10 Methylenating method of n-phenylcarbamic ester Granted JPS57149260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56033140A JPS57149260A (en) 1981-03-10 1981-03-10 Methylenating method of n-phenylcarbamic ester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56033140A JPS57149260A (en) 1981-03-10 1981-03-10 Methylenating method of n-phenylcarbamic ester

Publications (2)

Publication Number Publication Date
JPS57149260A JPS57149260A (en) 1982-09-14
JPS634819B2 true JPS634819B2 (US07223432-20070529-C00017.png) 1988-02-01

Family

ID=12378283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56033140A Granted JPS57149260A (en) 1981-03-10 1981-03-10 Methylenating method of n-phenylcarbamic ester

Country Status (1)

Country Link
JP (1) JPS57149260A (US07223432-20070529-C00017.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01161813U (US07223432-20070529-C00017.png) * 1988-04-27 1989-11-10
JPH0542644Y2 (US07223432-20070529-C00017.png) * 1987-03-30 1993-10-27

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106565545A (zh) * 2015-10-12 2017-04-19 中国石油化工股份有限公司 连续催化制备4,4’-二苯甲烷二氨基甲酸甲酯的方法
KR102145805B1 (ko) * 2018-10-18 2020-08-19 한국생산기술연구원 우레탄의 축합 반응에 의한 메틸렌 디페닐-4,4'-디카르바메이트 유도체의 제조방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5657758A (en) * 1979-10-15 1981-05-20 Mitsubishi Chem Ind Ltd Preparation of methylenedicarbanilate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5657758A (en) * 1979-10-15 1981-05-20 Mitsubishi Chem Ind Ltd Preparation of methylenedicarbanilate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0542644Y2 (US07223432-20070529-C00017.png) * 1987-03-30 1993-10-27
JPH01161813U (US07223432-20070529-C00017.png) * 1988-04-27 1989-11-10

Also Published As

Publication number Publication date
JPS57149260A (en) 1982-09-14

Similar Documents

Publication Publication Date Title
CA1116177A (en) Process for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates
US6232474B1 (en) Process for the preparation of α-methylenelactones and α-substituted hydrocarbylidene lactones
US4547322A (en) Method for manufacture of diphenylmethane diisocyanates
USH1950H1 (en) Processes for preparing indeno[1,2-E][1,3,4]oxadiazine-dicarboxylates
JPS634819B2 (US07223432-20070529-C00017.png)
US4230877A (en) Method for increasing the 4,4'dicarbamate isomer of the diphenylmethane dicarbamates during preparation thereof
KR0179659B1 (ko) N-페닐 카바메이트 축합방법
JPS6320221B2 (US07223432-20070529-C00017.png)
US4307029A (en) Process for preparing polymethylene-polyphenyl polyisocyanates
KR970002874B1 (ko) 고리형 우레아 유도체
JPS5885854A (ja) N−置換カルバミン酸エステルの製法
JPS643184B2 (US07223432-20070529-C00017.png)
EP0520377B1 (en) A process for the selective preparation of 4,4-methylene-bis-(N-phenylalkylcarbamate)
JPS647071B2 (US07223432-20070529-C00017.png)
WO2000058298A2 (en) PROCESS FOR THE PREPARATION OF α-METHYLENELACTONES AND α-SUBSTITUTED HYDROCARBYLIDENE LACTONES
JPS628430B2 (US07223432-20070529-C00017.png)
JPS6365067B2 (US07223432-20070529-C00017.png)
JPS6338021B2 (US07223432-20070529-C00017.png)
JPS58198454A (ja) ジフエニルメタンジカルバメ−ト類の製造方法
KR950012535B1 (ko) 4,4-메틸렌-비스-(n-페닐알킬카바메이트)의 선택적 제조방법
JPS6319507B2 (US07223432-20070529-C00017.png)
JPS64387B2 (US07223432-20070529-C00017.png)
JPS6234032B2 (US07223432-20070529-C00017.png)
JPH0399051A (ja) ジフェニルメタンジカルバミン酸エステルの製造方法
JPH023658A (ja) ジフェニルメタンジカルバミン酸エステル類の製造法