摘要
[357209-32-6] C25H19N3O2 (MW 393.44) InChI = 1S/C25H19N3O2/c1-3-8-16-14(6-1)12-20-22(16)27-24(29-20)18-10-5-11-19(26-18)25-28-23-17-9-4-2-7-15(17)13-21(23)30-25/h1-11,20-23H,12-13H2/t20-,21-,22+,23+/m0/s1 InChIKey = BZSJUFJXCHHRHW-MYDTUXCISA-N 8H-Indeno[1,2-d]oxazole, 2,2′-(2,6-pyridinediyl)bis[3a,8a-dihydro-, [3aR-[2(3′aR*,8′aS*),3aβ,8aβ]]. [185346-09-2] C25H19N3O2 (MW 393.44) InChI = 1S/C25H19N3O2/c1-3-8-16-14(6-1)12-20-22(16)27-24(29-20)18-10-5-11-19(26-18)25-28-23-17-9-4-2-7-15(17)13-21(23)30-25/h1-11,20-23H,12-13H2/t20-,21-,22+,23+/m1/s1 InChIKey = BZSJUFJXCHHRHW-LUKWVAJMSA-N 8H-Indeno[1,2-d]oxazole, 2,2′-(2,6-pyridinediyl)bis[3a,8a-dihydro-, [3aS[2(3′aR*,8′aS*),3′aα,8′aα]]. (functions as a chiral ligand in promoting a variety of enantioselective reactions that include aldol, conjugate additions, cyclopropanations, ring-opening reactions of epoxides, and radical reactions) Physical Data: mp 265–268 °C; [α]22D−364.0 (c 1.04, CH2Cl2) (isomer II). Form Supplied in: white crystalline solid. Analysis of Reagent Purity: IR 1630, 1573 cm−1; 1H NMR (CDCl3) 3.47–3.55 (4H, m), 5.60 (2H, dt, J = 8.3, 4.0 Hz), 5.79 (2H, d, J = 8.3 Hz), 7.24–7.30 (6 H, m), 7.53–7.59 (2H, m), 7.78 (1H, t, J = 7.5 Hz), 8.11 (2H, d, J = 7.5 Hz); 13C NMR (CDCl3) 39.7, 77.0, 84.3, 125.4, 125.7, 126.0, 127.5, 128.7, 137.2, 139.9, 141.5, 146.9, 162.9. Preparative Methods: (eq 1)1, 2 (1) Purification: recrystallization from CHCl3–CH3OH (1:1 v/v).2