Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-04-03
2007-04-03
Shameem, Golam M. M. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S530000, C548S540000
Reexamination Certificate
active
10889657
ABSTRACT:
Amino alcohol compounds and phosphonic acid compounds having excellent immunosuppressive activity, pharmacologically acceptable salts thereof and pharmacologically acceptable esters thereof, and pharmaceutical compositions comprising such compounds, the compounds having the following formula:wherein R1and R2each represent hydrogen, or a protecting group of the amino group; R3represents hydrogen, or a protecting group of the hydroxyl group; R4represents a lower alkyl group; n is 1 to 6; X represents oxygen or nitrogen, which is unsubstituted or substituted with a lower alkyl group; Y represents ethylene; Z represents a C1–C10alkylene; R5represents an aryl group; and R6and R7each represents hydrogen; provided that when R5represents hydrogen, then Z represents a group other than a single bond or a straight chain C1–C10alkylene group.
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Miyazaki Shojiro
Nara Futoshi
Nishi Takahide
Shimozato Takaichi
Frishauf Holtz Goodman & Chick P.C.
Sankyo Company Limited
Shameem Golam M. M.
Shiao Rei-tsang
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