Reaction catalyzed by 3-(aryl)acryloyl-CoA:(R)-3-(aryl)lactate CoA-transferase (2.8.3.17)

		+			=			+
	(E)-4-coumaroyl-CoA	+		(R)-3-(4-hydroxyphenyl)lactate	=		4-coumarate	+		(R)-3-(4-hydroxyphenyl)lactoyl-CoA