130  US 9,046,772 B2  129  -continued  OH  ~O  ~  /\Cl  V  ’oH  NEt/DMAP  Diol 5  Hydroxy-ester Sb  Comparative  Monomer 1  Dial 5 was synthesized by the same procedure as Synthesis  Example 1-1-2 aside from using Hydroxy-ester Sa instead of  Hydroxy-ester la. Amount 43.3 g, yield 81 %.  b.p.: 59°  C./23 Pa  Hydroxy-ester Sb was synthesized by the same procedure  as Synthesis Example 1-1-3 aside from usingDiol 5 instead of $_{40 }$ Dial 1. Amount 63.1 g, yield 93%.  IR (D-ATR): v=3499, 2987, 2973, 2958, 2906, 2868, 1726,  1699, 1543, 1479,1459, 1446,1396, 1382, 1369,1346, 1326,  1289, 1231, 1180, 1105, 1082, 1061, 1042, 989, 946, 908,  887, 863, 807, 773 cm- 1  $^{1}$H-NMR (600 MHz in DMSO-d$_{6}$ ):  o=4.67 (lH, q), 4.30 (lH, s), 1.70 (2H, m), 1.40-1.56 (6H),  1.12 (9H, s), 1.11 (3H, d) ppm  b.p.: 83°  C./23 Pa  IR(D-ATR):v=2975,2874, 1732, 1717, 1638, 1480, 1455,  1397, 1380, 1329, 1304, 1283, 1150, 1067, 1035, 1009,975,  940, 868, 815, 769 cm- 1  $^{1}$H-NMR (600 MHz in DMSO-d$_{6}$ ):  o=5.94 (lH, s), 5.61 (lH, s), 5.55 (lH, q), 1.99 (2H, m),  1.80-1.95 (2H, m), 1.82 (3H, s), 1.70 (2H, m), 1.58 (2H, m),  1.11 (9H+3H) ppm  Monomers 1 to 10 and Comparative Monomer 1 in Syn› thesis Examples have the structural formulae shown below.  Comparative Monomer 1 was synthesized by the same  procedure as Synthesis Example 1-1-4 aside from using 55  Hydroxy-ester Sb instead of Hydroxy-ester 1 b. Amount 71.1  g, yield 96%.  Monomer 5  Monomer4  Monomer 3  Monomer 2  Monomer 1  Comparative Synthesis Example 1-1  Synthesis of Dial 5  Synthesis Example 1-2  Synthesis of Hydroxy-ester Sb  Synthesis Example 1-3  Synthesis of Comparative Monomer 1 