Reaction of bromine with phenyl-substituted tertiary alcohols
作者:Douglas W. Grant、Roy Shilton
DOI:10.1039/p19740000135
日期:——
The reaction between bromine and 1,1-diphenylalkan-1-ols is shown to proceed by dehydration to an alkene, followed in aqueous acetic acid by formation of a bromohydrin which may then rearrange to a ketone. A number of new bromohydrins and bromoalkenes have been prepared.
The invention generally relates to positive-working coating compositions and to a substrate formed with a coating of that composition. Advantageous versions of the invention provide an infrared imageable, positive lithographic printing plate having a coating comprising a hydroxy substituted polymer, a diphenylcarbinol solubility suppressing compound and an infrared radiation absorbing compound.
[EN] IMPROVED POSITIVE WORKING THERMAL PLATES<br/>[FR] PLAQUES THERMIQUES POSITIVES AMELIOREES
申请人:ANOCOIL CORP
公开号:WO2006065261A1
公开(公告)日:2006-06-22
[EN] The invention generally relates to positive-working coating compositions and to a substrate formed with a coating of that composition. Advantageous versions of the invention provide an infrared imageable, positive lithographic printing plate having a coating comprising a hydroxy substituted polymer, a diphenylcarbinol solubility suppressing compound and an infrared radiation absorbing compound. [FR] L'invention concerne d'une façon générale des compositions de revêtement positives et un substrat formé d'un revêtement de cette composition. Des variantes avantageuses de l'invention concernent une plaque d'impression lithographique positive susceptible d'être imagée par infrarouges, dotée d'un revêtement comprenant un polymère à substitution par un groupe hydroxy, un composé inhibant la solubilité dans le diphénylcarbinol et un composé absorbant les rayons infrarouges.
Degradation of carboxylic acids by one carbon atom