Patents by Inventor Alexandr Borisovich Sidorov

Alexandr Borisovich Sidorov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of preparing N.sub.1 -(2'-furanidyl)-5-substituted uracils
    Patent number: 4039546
    Abstract: A method of preparing N.sub.1 -(2'-furanidyl)-substituted uracils having the general formula ##STR1## where R is selected from the group consisting of hydrogen, halogen, and alkyl, consists in that 2,3-dihydrofuran is processed with anhydrous hydrogen chloride in a medium of an organic chlorinated aliphatic hydrocarbon solvent, and the thus formed product is reacted with 2,4-bis-(trimethylsilyloxy)-5R-substituted pyrimidines at a temperature not above 10.degree. C with subsequent isolation of the end product.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: August 2, 1977
    Inventors: Solomon Aronovich Giller, Arvid Avgustovich Lazdinsh, Artur Karlovich Veinberg, Alexandr Borisovich Sidorov