摘要 |
<p>Methyl 3-methoxy-2-(2-phenoxyphenyl)propenoates having the formula : <CHEM> in which the rings M and N are optionally substituted, are prepared by reacting a methyl 3-methoxy-2-(2-halophenyl)-propenoate having the formula : <CHEM> in which X is halo, with an optionally substituted phenol in the presence of a base, or with an optionally substituted phenolate salt; preferably in the presence of a catalyst which is a transition metal, a transition metal salt or compound or a mixture thereof.</p> |