Abstract: The invention relates to a process for the preparation of phosphonium sulfonates, particularly tetraalkylphosphonium fluoroalkylsulfonates, in the presence of amine-type bases.
Type:
Grant
Filed:
July 10, 2013
Date of Patent:
February 2, 2016
Assignee:
MITENI S.P.A.
Inventors:
Dario Lazzari, Simonetta Mondini, Marisa Pretto, Francisco Casado Moreno, Andrea Faccin, Camillo Zarantonello
Abstract: The present invention concerns a process for preparing 3,5bis(trifluoromethyl)benzylalcohol by formylation in a solvent of an appropriate organo-magnesium derivative with solid paraformaldehyde and optionally its conversion into a 3,5-bis(trifluoromethyl)benzyl halide.
Type:
Application
Filed:
October 13, 2003
Publication date:
June 14, 2007
Applicant:
MITENI S.p.A.
Inventors:
Alessandro Nardello, Marisa Pretto, Andrea Faccin
Abstract: The present invention relates to halogenated aromatic derivatives, in particular 3-chloro-4-fluoro-benzoyl chloride having the following formula: ##STR1## The aforesaid derivative is advantageously used as base product for the preparation of fluorinated compounds employed in their turn as active principles in the pharmaceutical and agricultural fields as well as in dye industry.
Type:
Grant
Filed:
September 10, 1998
Date of Patent:
May 23, 2000
Assignee:
Miteni S.p.A.
Inventors:
Dino Bonini, Damiano Torrente, Filippo Maria Carlini
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