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Peter Virkler Phones & Addresses

  • 4109 County Road 18, Canandaigua, NY 14424 (585) 396-9966
  • 108 Stark Ave, Penn Yan, NY 14527 (315) 536-3293
  • 8 Byron Ave, Buffalo, NY 14223 (716) 833-3178
  • 30 Embassy Sq, Tonawanda, NY 14150 (716) 833-3178

Publications

Us Patents

Method For Preparation Of An Intermediate Dye Product

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US Patent:
20020022723, Feb 21, 2002
Filed:
Jun 22, 2001
Appl. No.:
09/886974
Inventors:
Michael Detty - Rochester NY, US
Peter Virkler - Buffalo NY, US
International Classification:
C07D345/00
C07D335/02
US Classification:
540/001000, 549/013000
Abstract:
The present invention provides a novel method for the synthesis of an intermediate dye product having the following formula: wherein L is S, Te, or Se; Rand Rare either the same or different aryl or alkyl compounds; Ris hydrogen or a short chain alkyl group; and Z is an anion. The process to formulate this intermediate compound entails reacting an R-acetylene compound with an R-acetylene compound (compounds A) into an enol ether compound with the Rand/or Rconstituents (compound D) And from compound D, it forms into an intermediate dye compound having an L-based cyclic ring with the Rand/or Rconstituents (compound F). With compound F the desired dye can be made with a greater overall yield for mass production.
Peter R Virkler from Canandaigua, NY, age ~49 Get Report