Patents by Inventor Arrigo Scettri

Arrigo Scettri 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).

  • Process for the synthesis of 3-keto-cyclopentene-5-oxy derivatives having insecticide activity
    Patent number: 4413145
    Abstract: Process for the synthesis of the 3-keto-cyclopentene-5-oxy derivatives (rethrolones) having the general formula: ##STR1## wherein: R.sub.1 is hydrogen, saturated or unsaturated C.sub.1 -C.sub.10 alkyl.R.sub.2 is saturated or unsaturated C.sub.1 -C.sub.10 alkyl.R.sub.3 is hydrogen or benzoyl characterized as having insecticide activity.The process comprises as a basic operation the photoisomerization of a transenedicarbonylic intermediate to the corresponding cis form and then its cyclization to a rethrolone.
    Type: Grant
    Filed: July 28, 1981
    Date of Patent: November 1, 1983
    Assignee: Consiglio Nazionale Delle Ricerche
    Inventors: Giovanni Piancatelli, Arrigo Scettri, D'Auria Maurizio