| 摘要 |
<p>Disclosed is a method for preparing a compound of Formula 1 comprising contacting a compound of Formula 2 with at least one compound of Formula 3 in the presence of a solvent comprising one or more organic solvents selected from ethers and nitriles and a catalytically effective amount of a palladium complex comprising at least one tertiary phosphine ligand of Formula 4 wherein R1 is NHR3 or OR4; R2 is CH3 or Cl; R3 is H, alkyl, cyclopropyl, cyclopropylmethyl or methylcyclopropyl; R4 is H or C1-C4 alkyl; M1 is an alkali metal; and R5, R6 and R7 are defined in the disclosure; provided that when R2 is Cl, then X is Br. Also disclosed is a method for preparing a compound of Formula 5 wherein R14, R15, R16 and Z are as defined in the disclosure using a compound of Formula 1 characterized by preparing the compound of Formula 1 by the aforedescribed method.</p> |
