Patents Examined by John F. Nichling
  • Thromboxane B dialkyl-acetal diol intermediates
    Patent number: 4119650
    Abstract: The present specification provides novel intermediates and novel processes for the synthesis of various side chain and skeletal analogs of Thromboxane B.sub.2 (11.beta.-homo-11.alpha.-oxa-PGF.sub.2.alpha.). These analogs are particularly and especially useful as reproductive cycle control agents.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: October 10, 1978
    Assignee: The Upjohn Company
    Inventor: William P. Schneider