Table 1. Catalyst optimization for the synthesis of linear poly(glycerol sebacate) ^a .

Entry	Catalyst	% 1,2 b	% triacylglycerol b	M n c (kDa)	Đ c
1	None	11	5	8.7	1.7
2	1a	7	<1	12.5	1.3
3	1b	6	<1	11.9	1.2
4	1c	6	<1	19.2	1.2

^aBased on analysis of polymers obtained after an aqueous workup, without further purification or fractionation.

^bDetermined by quantitative ¹³C NMR spectroscopy.

^cDetermined by GPC.