单词	Perkin reaction
释义	Perkin reaction noun Per·​kin reaction variants or less commonly Perkin synthesis ˈpərkə̇n- : a reaction for making an unsaturated aromatic acid (as cinnamic acid) by heating an aromatic aldehyde with an acid anhydride (as acetic anhydride) in the presence of a base (as sodium acetate or potassium carbonate) Word History Etymology after Sir William Henry Perkin †1907 English chemist
随便看	dominative dominator dominators dominatrices dominatrix dominatrixes domine Domine, dirige nos domine, quo vadis? domineck dominecker domineer domineered domineering domineeringly domineeringness domineeringnesses domineers dominees domines doming Domingo domini domini directi domini litis

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