摘要 |
FIELD: pharmaceutical industry. SUBSTANCE: present invention describes novel phenylimidazolidinone derivatives of general formula 1: <EMI ID=0.412 HE=21 WI=57 TI=CHI> wherein n is 1, R<SB>1</SB> and R<SB>2</SB> are hydrogen, halogen, CN, C<SB>1</SB>-C<SB>6</SB> alkyl, C<SB>1</SB>-C<SB>6</SB> alkoxy, C<SB>1</SB>-C<SB>6</SB> alkylthio, CF<SB>3</SB>, NO<SB>2</SB>,; R<SB>3</SB> is group II <EMI ID=0.413 HE=18 WI=27 TI=CHI> or group III <EMI ID=0.414 HE=21 WI=15 TI=CHI>; R<SB>4</SB> is H or C<SB>1</SB>-C<SB>6</SB> alkyl; R<SB>5</SB> is H, C<SB>1</SB>-C<SB>6</SB> alkyl or nitrogen protecting group, or pharmaceutically acceptable salt thereof. Said compounds are useful as active ingredient in pharmaceutical composition having 5HT<SB>3</SB> antagonistic activity. EFFECT: improved properties of the pharmaceutical composition. 6 cl, 7 ex, 2 tbl |