Accession Number : ADD012019

Title :   Protected Ethynlated Phenols.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Wallace,J S ; Arnold,Fred E

Report Date : 10 Sep 1985

Pagination or Media Count : 6

Abstract : The present invention is directed to alpha-hydroxy-, alpha-alkyl;-substituted acetylene compounds. It is an object of the present invention to provide a new method for adding terminal acetylene groups to a molecule. Another object of the present invention is to provide a novel acetylenic end-capping agent for oligomers. A further object of the present invention is to provide a method for preparing novel acetylenic end-capping agents. In accordance with the present invention, there is provided a method for adding terminal acetylene groups to a molecule which comprises reacting a halogen-terminated molecule with the above-described end-capping agent followed by base-catalyzed cleavage.

Descriptors :   *PATENTS, *SYNTHESIS(CHEMISTRY), *POLYMERS, *ACETYLENE, PHENOLS, ADDITION REACTIONS, HYDROGEN, ALKYL RADICALS, PHENYL RADICALS, SOLVENTS, PALLADIUM, COPPER COMPOUNDS, SALTS, HALOGENS, CATALYSIS, CLEAVAGE

Subject Categories : Polymer Chemistry
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE