P-terphenyl compounds

Details P-terphenyl compounds P-terphenyl compounds

2006-09-05

2006-09-05

Balasubramanian, Venkataraman (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Nitrogen containing other than solely as a nitrogen in an...

C514S717000, C514S721000, C568S642000, C568S643000, C544S224000, C544S242000, C544S336000, C544S182000, C546S134000, C546S285000, C548S215000, C548S304400

Reexamination Certificate

active

07101915

ABSTRACT:
The present invention provides a selective suppressor of the IgE production comprising a compound which suppresses the IgE production in a process from a differentiation of a mature B cell into an antibody-producing cell to the production of an antibody and which does not suppress or weakly suppresses the production of IgG, IgM and/or IgA which are produced at the same time, a compound of the formula (I):wherein R1–R13are hydrogen, halogen, lower alkyl, lower alkoxy or the like, X is —O—, CH2—, —NR14— or —S(O)p— and Y is lower alkyl, lower alkenyl or the like, a process for producing the same and a pharmaceutical composition comprising the same.

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