| 摘要 |
<p>The invention relates to chromanone derivatives of formula (I) wherein R1 to R4 respectively and independently represent H, A, CH, Hal, OR?5, COOR5, CH3, OCF3, NO2¿, Ar, Oar, N(R5)2 or CON(R5)2; R5 represents H or A, A represents an alkyl comprising 1 to 6 C atoms; Ar represents an unsubstituted phenyl or a phenyl substituted by A, OR5, Cn Hal, CF¿3?, OCF3, NO2 or N(R?5)¿2; and Hal represents F, Cl, Br or I. The invention also relates to the salts thereof. Said derivatives and salts are suitable as intermediate products in the synthesis of pharmaceuticals.</p> |
