N-(4-nitrophenyl)-2-(1H-pyrazol-1-yl)acetamide 在
钯 silica gel 、 甲醇乙酸乙酯 作用下,
以
四氢呋喃 、 甲醇 为溶剂,
反应 4.0h,
以to give N-(4-aminophenyl)-2-(1H-pyrazol-1-yl)acetamide (2.30 g) as a pale brown powder的产率得到N-(4-aminophenyl)-2-(1H-pyrazol-1-yl)acetamide
A compound of the formula (I) Wherein R1 is hydrogen, lower alkyl, lower alkenyl, halo(lower)alkyl, cyclo(lower)alkyl, lower alkoxy, lower alkylthio, acyl, optionally substituted aryl or NR3R4; R2 is hydrogen; or aryl or heteroaryl, each of which may be substituted; X is direct bond or bivalent residue derived from piperazine; Y is -(A1)n-(A2)m-, wherein n and m are independently 0 or 1) ; (II) is bivalent residue derived from arene or heteroarene; and (III) is bivalent residue derived from arene or heteroarene, or a salt thereof. The compound of the present invention and a salt thereof inhibit apolipoprotein B (Apo B) secretion and are useful as a medicament for prophylactic and treatment of diseases or conditions resulting from elevated circulating levels of Apo B.