Process for the preparation of...

Details Process for the preparation of... Process for the preparation of...

2003-10-24

2009-06-30

Nazario-Gonzalez, Porfirio (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C564S218000, C564S442000

Reexamination Certificate

active

07553993

ABSTRACT:
Process for the preparation of a compound of general formula (I):in which X represents a halogen atom,by reaction of para-trifluoromethylaniline of formula (II):with a dihalogen X2,the two compounds being introduced simultaneously into a polar aprotic solvent in a dihalogen/compound (II) molar ratio ranging from 1.9 to 2.5 and at a temperature ranging from 100 to 300° C.

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Tobe, Yoshito et al., “Novel Self-Assembly of m-Xylylene Type Dithioureas by Head-to-Tail Hydrogen Bonding”, Journal of Organic Chemistry, 1998, pp. 7481-7489, vol. 63, American Chemical Society, Easton, US.

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