Products of Aspergillus alliaceus fermentation with the formula
or
and salts and quaternary ammonium salts thereof, wherein X is N or C and R1, R2 and R3 are H, F, and CH3, and R4 is selected from phenyl, cyclohexyl, cyclopentyl, (CH3)2CH-CH2- , (CF3) (CH3) CH-CH2-. CH2=C(CH3)CH2-, CH2=CHCH2-, CH3-CH2-CH2-, CH3-CH2-(CH3)CH-, CH3-(CH2)3-, CH3-S-(CH2)2-, and CH3-CH2-S-CH2- such that R1 R2 and R3 are all H only when R4 is other than (CH3)2-CH-CH2-, having a cholecystokinin (CCK) antagonist activity, their preparation and use.
全草曲霉发酵产物配方
或
CH2=C(
CH3) -、 =CH -、 - - -、 - -( )CH-、 -( )3-、 -S-( )2-和 - -S- -,只有当R4不是( )2-CH- -时,R1 R2和R3才都是H,具有胆囊收缩素(CCK)拮抗剂活性,它们的制备和用途。