C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 323/45 (2006.01) C07C 323/44 (2006.01)
Patent
CA 2041801
ABSTRACT The present invention provides a process for preparing a quanidine derivative of the formula (II): Image (III) wherein R denotes lower alkyl, which comprises reacting a disulfide derivative of the formula (I): Image (I) wherein R is as defined above, with a diacetyl derivative of the formula (II): Image (II) wherein X is halogen, in the presence of a thiol derivative and a basic compound.
Ishitoku Takeshi
Kihara Noriaki
Takahashi Katsuya
Tan Hiroaki
Tomino Ikuo
Mitsui Chemicals Inc.
Smart & Biggar
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