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7449521 
Journal Article 
An improved process for the preparation of benzyl-N-vinyl carbamate 
Govindan, CK 
2002 
1 
Organic Process Research and Development
ISSN: 1083-6160 
6 
1 
74-77 
English 
WOS:000173533400014 
An improved method that can be easily scaled up has been developed for the preparation of benzyl-N-vinyl carbamate. In this method vinyl isocyanate formed by the Curtius rearrangement of acryloyl azide is codistilled with a solvent such as toluene into benzyl alcohol containing a catalyst and inhibitor. The product thus obtained can be purified by crystallization, avoiding purification by high-vacuum distillation or chromatography. Potential safety issues associated with the process are discussed. 
acryloyl azide; azide; benzyl alcohol; benzylvinylcarbamate; carbamic acid derivative; isocyanic acid derivative; toluene; unclassified drug; vinylisocyanate; article; catalyst; chemical procedures; chromatography; crystallization; distillation; purification; safety; synthesis 
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