ATE767T1 - PROCESS FOR THE PREPARATION OF N-VINYL-N-ALKYL CARBONIC ACID AMIDES. - Google Patents

PROCESS FOR THE PREPARATION OF N-VINYL-N-ALKYL CARBONIC ACID AMIDES.

Info

Publication number
ATE767T1
ATE767T1 AT80102538T AT80102538T ATE767T1 AT E767 T1 ATE767 T1 AT E767T1 AT 80102538 T AT80102538 T AT 80102538T AT 80102538 T AT80102538 T AT 80102538T AT E767 T1 ATE767 T1 AT E767T1
Authority
AT
Austria
Prior art keywords
acid amides
carboxylic acid
vinyl
stage
alkyl
Prior art date
Application number
AT80102538T
Other languages
German (de)
Inventor
Harald Dr. Jensen
Erwin Dr. Schmidt
Michael Dr. Mitzlaff
Juergen Dr. Cramer
Rudolf Dr. Pistorius
Hartmut Dr. Pietsch
Klaus Dr. Dehmer
Original Assignee
Hoechst Aktiengesellschaft
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 Hoechst Aktiengesellschaft filed Critical Hoechst Aktiengesellschaft
Application granted granted Critical
Publication of ATE767T1 publication Critical patent/ATE767T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides

Abstract

N-Vinyl-N-alkyl-carboxylic acid amides are prepared, starting from N-ethyl-carboxylic acid amides, in a 3-stage process consisting of the following stages: (a) anodic alkoxylation of the N-ethyl-carboxylic acid amides to give N- alpha -alkoxyethyl-carboxylic acid amides; (b) alkylation of these N- alpha -alkoxyethyl-carboxylic acid amides with an alkyl halide or dialkyl sulfate in an alkaline medium to give N- alpha -alkoxyethyl-N-alkyl-carboxylic acid amides; and (c) splitting off of alcohol from the products of stage (b) by heating to temperatures between about 60 DEG and about 350 DEG C. Instead of stages (b) and (c), it is also possible to carry out the following stages after stage (a): (b1) splitting off of alcohol from the N- alpha -alkoxyethylcarboxylic acid amides obtained in stage (a) by heating to temperatures of about 60 DEG to about 600 DEG C., to give N-vinyl-carboxylic acid amides; and (c1) alkylation of these N-vinyl-carboxylic acid amides by reaction with an alkylating agent of the same type as in stage (b) in an alkaline medium. The N-vinyl-N-alkyl-carboxylic acid amides obtained by the process are valuable intermediate products, in particular for the manufacture of homopolymers and copolymers with interesting properties.
AT80102538T 1979-05-16 1980-05-08 PROCESS FOR THE PREPARATION OF N-VINYL-N-ALKYL CARBONIC ACID AMIDES. ATE767T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792919755 DE2919755A1 (en) 1979-05-16 1979-05-16 METHOD FOR PRODUCING N-VINYL-N-ALKYL-CARBONIC ACID AMIDES
EP80102538A EP0019225B1 (en) 1979-05-16 1980-05-08 Process for the preparation of n-vinyl-n-alkyl carboxylic acid amides

Publications (1)

Publication Number Publication Date
ATE767T1 true ATE767T1 (en) 1982-04-15

Family

ID=6070872

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80102538T ATE767T1 (en) 1979-05-16 1980-05-08 PROCESS FOR THE PREPARATION OF N-VINYL-N-ALKYL CARBONIC ACID AMIDES.

Country Status (7)

Country Link
US (1) US4322271A (en)
EP (1) EP0019225B1 (en)
JP (1) JPS55153754A (en)
AT (1) ATE767T1 (en)
AU (1) AU5843780A (en)
CA (1) CA1128066A (en)
DE (2) DE2919755A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4459411A (en) * 1982-09-13 1984-07-10 The Dow Chemical Company Preparation of unsaturated heterocyclic carbonyl-containing compounds
US4567300A (en) * 1984-01-14 1986-01-28 Mitsubishi Chemical Industries Limited Process for producing N-substituted formamides
US4554377A (en) * 1984-07-16 1985-11-19 Celanese Corporation Production of N-vinyl carboxylic acid amides
US4973751A (en) * 1985-03-02 1990-11-27 Basf Aktiengesellschaft Preparation of unsaturated compounds by elimination reaction
DE3521764A1 (en) * 1985-06-19 1987-01-08 Basf Ag METHOD FOR PRODUCING N-ALKENYLCARBONIC ACID AMIDES
US5144074A (en) * 1988-02-24 1992-09-01 Air Products And Chemicals, Inc. Process for the synthesis of carboxamides
US5136094A (en) * 1988-03-10 1992-08-04 Air Products And Chemicals, Inc. Process for the synthesis of secondary formamides
US4942259A (en) * 1988-06-27 1990-07-17 Air Products And Chemicals, Inc. Process for preparing n-vinyl amides
US5059713A (en) * 1988-06-27 1991-10-22 Air Products And Chemicals, Inc. Process for the preparation of n-vinyl amides
US4906777A (en) * 1988-10-19 1990-03-06 Air Products And Chemicals, Inc. Synthesis of ethylidene bis-formamide using formic acid
US4968841A (en) * 1989-11-14 1990-11-06 Air Products And Chemicals, Inc. Synthesis of ethylidene bisformamide from vinyl acetate
US5023375A (en) * 1990-01-17 1991-06-11 Air Products And Chemicals, Inc. Process for the synthesis of amides from vinyl acetate
US5118846A (en) * 1990-04-27 1992-06-02 The Standard Oil Company Synthesis of N-disubstituted amides by reaction of amides with certain organic hydroxyl compounds
TW325471B (en) * 1994-08-31 1998-01-21 Shinetsu Sakusan Vinyl Kk Method for the preparation of an n-vinyl compound
JP3571795B2 (en) * 1995-04-18 2004-09-29 株式会社日本触媒 Catalyst for gas-phase intramolecular dealcoholation reaction of N- (1-alkyloxyalkyl) carbamates and method for producing N-vinyl carbamates

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1445737A1 (en) * 1963-07-20 1969-03-13 Hoechst Ag Process for the production of N-vinyl compounds
US3193483A (en) * 1964-01-14 1965-07-06 Monsanto Co Electrolysis of acrylamides
DE1235893B (en) * 1964-12-28 1967-03-09 Hoechst Ag Process for the preparation of N-vinyl-N-alkyl-formamides
DE1545798C3 (en) * 1965-03-20 1975-11-20 Hoechst Ag, 6000 Frankfurt Process for the production of N-vinyl compounds
US3534099A (en) * 1967-05-25 1970-10-13 Gulf Research Development Co Process for making n - substituted and n,n-substituted carboxylic acid amides
GB1285390A (en) 1969-12-23 1972-08-16 Pharmacia Ab Improvements in the n-alkylation of acylated amino compounds
DE2113338C3 (en) * 1971-03-19 1978-08-24 Hoechst Ag, 6000 Frankfurt Process for the alkoxylation of carboxamides alkylated on the nitrogen
DE2336976A1 (en) 1973-07-20 1975-02-13 Hoechst Ag PROCESS FOR THE PRODUCTION OF N- (ALPHAALCOXYAETHYL) CARBONIC ACID AMIDES
DE2539767C2 (en) 1975-09-06 1982-06-16 Hoechst Ag, 6000 Frankfurt Process for the preparation of N - (α-alkoxyethyl) carboxamides
NL7600544A (en) 1975-01-25 1976-07-27 Hoechst Ag PROCESS FOR THE PREPARATION OF N- (GAMMA-ALKOXY-ETHYL) -CARBONIC ACID AMIDES.
US4149941A (en) * 1975-09-06 1979-04-17 Hoechst Aktiengesellschaft Process for preparing fungicidal monoalkoxy and dialkoxy N-substituted cyclic amines
US4138408A (en) * 1975-12-20 1979-02-06 Hoechst Aktiengesellschaft ω-Alkoxy derivatives of lactams and process for their manufacture

Also Published As

Publication number Publication date
DE2919755A1 (en) 1980-11-27
CA1128066A (en) 1982-07-20
DE3060247D1 (en) 1982-04-29
EP0019225A1 (en) 1980-11-26
AU5843780A (en) 1980-11-20
US4322271A (en) 1982-03-30
EP0019225B1 (en) 1982-03-24
JPS55153754A (en) 1980-11-29

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