Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Reexamination Certificate
2007-05-08
2007-05-08
Bernhardt, Emily (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C544S386000
Reexamination Certificate
active
10535705
ABSTRACT:
This invention relates to a method for producing 1-[2-(benzimidazol-2-ylthio)ethyl]piperazine (5) or its salt by the following reaction scheme:This invention enables efficient production of 1-[2-(benzimidazol-2-ylthio) ethyl]piperazine or its salt which is an intermediate in the production of a cyclic diamine compound which is useful as a ACAT inhibitor.
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Sato Yukihiro
Shibuya Kimiyuki
Bernhardt Emily
Kowa Co. Ltd.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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