e {45} 266 [-3.6] e,h {37} 268 [-22] e,i {42} 268 [-23] j,k {55} c N(CH3)3I EA: 269 (280) i 269 (280) CD: 269 [-21] e,i {56} 269 (-24) e {29} d OH EA: 267 (90) 267 (130) i 267 (79) 268 (75) l CD: 268 [-17] {57} 268 [-39] i {58} 269 [-6.7] e {59} 268 [-2.4] e,l {59} 262 [-8.2] e,i,m {60} e OCH3 EA: 267 CD: 268 [-7.5] e,i {61} 267 [-6.1] e {62} 261 [-17] e,j,m {60} 262 [-7.6] e,i,m {60} f CH3 EA: 268 (110) n 267 (79) 268 (120) l CD: 267 [-160] e,o {63} 268 [+2.9] {64} 269 [-12] l {64} 261 [+9.1] i,m {60} g C(CH3)3 EA: CD: 260 [+8.1] i,m {60} 262 [-6.5] j,m {60} 261 [+13] i,m {60} h CF3 EA: CD: 261 [-7.3] i,m {60} 261 [-7.6] j,m {60} 260 [-7.1] i,m {60} i Cl EA: 272 (110) CD: 273 [-3.3] e {29} j F EA: 268 (88) 267 (120) l CD: 268 [-18] e {64} 268 [-12] e,l {64} k SH EA: 271 (100) f CD: 270 [+27] e {29}a Methanol as the solvent or as otherwise noted. b Molar absorptivity. c Molar dichroic absorption. ∆ ) [θ]/3300 where [θ] is the molecular ellipticity. d Original report of the complete electronic absorption (EA) and circular dichroism (CD) data. e Enantiomer used. f Shoulder. g Isooctane as the solvent. h 1,1,1,3,3,3-Hexafluoro-2-propanol as the solvent. i Ethanol as the solvent. j Water as the solvent. k Sodium and chloride ions not present. l Potassium cation. m Center maximum of three 1 Lb CEs. n n-Heptane as the solvent. o Methylcyclohexane-isopentane 1:3 as the solvent.