HUT33997A - Process for preparing aliphatic isocyanates
- Google Patents
Process for preparing aliphatic isocyanates
Info
Publication number
HUT33997A
HUT33997AHU421282AHU421282AHUT33997AHU T33997 AHUT33997 AHU T33997AHU 421282 AHU421282 AHU 421282AHU 421282 AHU421282 AHU 421282AHU T33997 AHUT33997 AHU T33997A
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 Mta Koezponti Kemiai Kutato InfiledCriticalMta Koezponti Kemiai Kutato In
Priority to HU421282ApriorityCriticalpatent/HU187838B/en
Publication of HUT33997ApublicationCriticalpatent/HUT33997A/en
Publication of HU187838BpublicationCriticalpatent/HU187838B/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Aliphatic isocyanates of formula R-N=C=O (I) are prepd. by reacting N-alkyl-carbamoyl-chlorides of formula (II) with carboxylic-acid-amides of formula (III) opt. in aromatic or halogenated hydrocarbon solvents. - R is 1-8C alkyl, R1 is H or 1-4C alkyl, R2 is H, 1-4C alkyl or benzyl, with the proviso that only one of R1 and R2 can be H, Z is 1-6C alkyl or Z and R2 together can be a five- or six-membered satd. ring contg. nitrogen.
HU421282A1982-12-291982-12-29Process for preparing aliphatic isocyanates
HU187838B
(en)