| 摘要 |
FIELD: organic chemistry. SUBSTANCE: product: compound of the formulawhere: R means hydrogen, hydroxy, C-C-alkoxy, group of the formula -O-C(O)-Rwhere Rmeans hydrogen, C-C-alkyl optional substituted with amino-group, halogen, carbonyl, C-C-alkoxycarbonyl, C-C-alkanoylhydroxy-group, carbamoyl and/or aryl; or Rmeans C-C-alkenyl optional substituted with aryl; or Rmeans C-C-cycloalkyl; or R- aryl optional substituted with hydroxy-group, C-C-alkyl, C-C-alkoxy-group and/or halogen; or Rmeans O-aryl optional substituted with hydroxy-C-C-alkyl, C-C-alkoxy-group and/or halogen; or R means group of the formula -O-SO-Rwhere Rmeans C-C-alkyl or aryl possibly substituted with C-C-alkyl; or R means carbamoylhydroxy-group where nitrogen can be substituted with one or two C-C-alkyls; or R means group of the formula -O-C(O)R-O-(C-C)-alkyl) where R- bond or C-C-alkanediyl; Rmeans halogen, C-C-alkyl, C-C-alkyl substituted with C-C-alkyl, free or substituted C-C-cycloalkyl, free or substituted C-C-cycloalkenyl; R- O or CH;; R- CHor ; R- groupor bond and Rmeans amino, nitrilo-group optional substituted with one or two C-C-alkyls, or N-heterocyclic group possibly containing other heteroatom in the ring taken from N, O or S, or its pharmaceutically acceptable salt or solvate. EFFECT: improved method of synthesis. |
