ES442260A1 - Process for the preparation of hydrozidicarboxylic acid amide - Google Patents

Process for the preparation of hydrozidicarboxylic acid amide

Info

Publication number
ES442260A1
ES442260A1 ES75442260A ES442260A ES442260A1 ES 442260 A1 ES442260 A1 ES 442260A1 ES 75442260 A ES75442260 A ES 75442260A ES 442260 A ES442260 A ES 442260A ES 442260 A1 ES442260 A1 ES 442260A1
Authority
ES
Spain
Prior art keywords
hydrozidicarboxylic
preparation
acid amide
hydrazine
urea
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
ES75442260A
Other languages
Spanish (es)
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.)
Bayer AG
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
Priority claimed from DE19742452016 external-priority patent/DE2452016C3/en
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES442260A1 publication Critical patent/ES442260A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C281/00—Derivatives of carbonic acid containing functional groups covered by groups C07C269/00 - C07C279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
    • C07C281/06—Compounds containing any of the groups, e.g. semicarbazides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Procedure for obtaining hydrazodicarbonamide from urea and hydrazine or hydrazine hydrate at a higher temperature and higher pressure, characterized in that the urea is reacted with hydrazine or hydrazine hydrate in aqueous medium at 105-140ºC and a pressure of 1.2 to 3.8 bar. (Machine-translation by Google Translate, not legally binding)
ES75442260A 1974-11-02 1975-10-31 Process for the preparation of hydrozidicarboxylic acid amide Expired ES442260A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742452016 DE2452016C3 (en) 1974-11-02 Process for the preparation of hydrazodica carbonamide
DE19752532380 DE2532380C3 (en) 1975-07-19 Process for the preparation of hydrazodicarbonamide

Publications (1)

Publication Number Publication Date
ES442260A1 true ES442260A1 (en) 1977-07-01

Family

ID=25767918

Family Applications (1)

Application Number Title Priority Date Filing Date
ES75442260A Expired ES442260A1 (en) 1974-11-02 1975-10-31 Process for the preparation of hydrozidicarboxylic acid amide

Country Status (11)

Country Link
JP (1) JPS5839152B2 (en)
BR (1) BR7507176A (en)
CA (1) CA1063620A (en)
ES (1) ES442260A1 (en)
FR (1) FR2289495A1 (en)
GB (1) GB1465019A (en)
IE (1) IE42284B1 (en)
IN (1) IN141781B (en)
IT (1) IT1048048B (en)
LU (1) LU73694A1 (en)
NL (1) NL7512738A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102775330A (en) * 2012-07-24 2012-11-14 杭州海虹精细化工有限公司 Recycling method of byproduct saline during preparation of hydrazine hydrate by using urea method

Also Published As

Publication number Publication date
CA1063620A (en) 1979-10-02
GB1465019A (en) 1977-02-16
JPS5839152B2 (en) 1983-08-27
LU73694A1 (en) 1976-08-13
JPS5168526A (en) 1976-06-14
FR2289495A1 (en) 1976-05-28
IE42284B1 (en) 1980-07-16
NL7512738A (en) 1976-05-04
IT1048048B (en) 1980-11-20
IN141781B (en) 1977-04-16
BR7507176A (en) 1976-08-03
FR2289495B1 (en) 1980-08-14
IE42284L (en) 1976-05-02

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