In this reaction, a new method of Curtius rearrangement was used to synthe- size 4-bromophehyl isocyanate.

New compounds of the type of unsymmetrically substituted ureas are synthesized by a series of reactions of preparing organic isocyanates by Curtius rearrangement with aromatic amine.

trans-4-Methylcyclohexane isocyanate was synthesized from p-toluic acid by reduction with 10%Pd(OH)2/C and then isomerization in basic solution to give trans-4-methylcyclohexanecarboxylic acid, which subjected tochlorination with phosphorus pentachloride, azidation with sodium azide and then Curtius rearrangement with an overallyield of 60%.

A new and simple method for the synthesis of Aromatic Isocyanates is developed by using solid-liquid phase transfer catalysis with Curtius rearrangement reaction.

A new and simple method for the synthesis of Aromitic Isocyanates was developed by solid - liquid phase transfer catalysis with curtius rearrangement reaction.

Pinacol rearrangement in CO_2 enriched high temperature liquid water;

Kinetics of pinacol rearrangement in high temperature liquid water;

Study on rearrangement of semipinacone and cycloheptane cation with ab initio method;

2-Arylglutarates with high yields(73%～87%) were prepared by addition-rearrangement reactions of phenylsulfonylacetates containing 4-nitro or 2-nitro with α,β-unsaturated esters under K2CO3-TEBA phase transfer catalyst conditions.

The transition-states of rearrangement reaction of the stable structure of F 2CCLiBr have been determined, and the potential barriers of rearrangement reactions have been obtained at B3LYP/6-31G(d,p) level.