Process for the preparation of guanidinium salts

Details Process for the preparation of guanidinium salts Process for the preparation of guanidinium salts

2005-01-17

2008-10-21

Davis, Brian J (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S225000, C564S230000, C564S252000, C548S300100, C548S331500

Reexamination Certificate

active

07439395

ABSTRACT:
The present invention relates to a two-step process for the preparation of guanidinium salts of the formula (1), where the substituents R have a meaning indicated in Claim, and A−is a sulfonate, alkyl- or arylsulfate, hydrogensulfate, imide, methanide, carboxylate, phosphate, phosphinate, phosphonate, borate, thiocyanate, perchlorate, fluorosilicate or nitrate, and to intermediate compounds from this process.

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Kolomeitsev et al., Journal of Fluorine Chemistry (2000), 103(2), p. 159-161.

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