Six N-substituted phenothiazenes had been sythesized by liquid-liq- uid phase transfer catalytic reaction,tetrabutylammonium bromide being used as the phase transfer catalyst.

• 本文叙述以四正丁基溴化铵为相转移催化剂,液一液相转移催化合成了六个N-取代吩噻嗪化合物。