US 8,900,791 B2  137  138  (I)  (F)  Na  The structure of compound Al-7 was confirmed by  $^{1}$H-NMR (400 MHz, CDC1$_{3}$ ).  (8) Synthesis of Compound Al-8  Compound Al-8 amounting to 6.0 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 5 .0 g of sodium 1,3, 5-tricyclohexy lbenzenesulfonate was  changed to 6.0 g of the following compound G.  The structure of compound Al-8 was confirmed by  $^{1}$H-NMR (400 MHz, CDC1$_{3}$ ).  (9) Synthesis ofCompoundAl-9  Compound Al-9 amounting to 4.0 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g of triphenylsulfonium bromide A was changed to  4.0 g of the following sulfonium salt H.  The structure of compound Al-9 was confirmed by  $^{1}$H-NMR (400 MHz, CDC1$_{3}$ ).  (10) Synthesis of Compound Al-10  Compound Al-IO amounting to 4.0 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g of triphenylsulfonium bromide A was changed to  4.5 g of the above sulfonium salt B, and that 5.0 g of sodium  1,3,5-tricyclohexylbenzenesulfonate was changed to 5.0 g of  the following sodium 1,2,4-tricyclohexylbenzenesulfonate I.  (G)  (11) Synthesis of Compound Al-11  Compound Al-11 amounting to 3 .2 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 5.0 g of sodium 1,3,5-tricyclohexylbenzenesulfonatewas  changed to 4.7 g of sodium 2,4-biscyclohexylmethoxy ben› zenesulfonate.  (12) Synthesis ofCompoundAl-12  CompoundAl-12 amounting to 3.1 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 5.0 g of sodium 1,3,5-tricyclohexylbenzenesulfonatewas  changed to 4.0 g of sodium 2,6-dicyclohexylbenzene› sulfonate.  (13) Synthesis ofCompoundAl-13  CompoundAl-13 amounting to 4.1 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 5.0 g of sodium 1,3,5-tricyclohexylbenzenesulfonatewas  changed to 4.4 g of sodium 2,4-bis( cyclohexyloxy)benzene› sulfonate.  (14) Synthesis ofCompoundAl-14  CompoundAl-14 amounting to 4.0 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g oftriphenylsulfonium bromide A was changed to  4.3 g of 1-( 4-butoxy-naphthalen-1-yl) tetrahydrothiophe- nium bromide.  $^{1}$H-NMR (400 MHz, CDC1$_{3}$ )  o=8.38 (d, 2H), 8.11 (d, 2H),  7.91 (s, lH), 7.80 (t, 2H), 7.75 (d, 2H), 7.60 (t, 2H), 7.35 (d,  2H), 7.15 (s, lH), 3.93-3.85 (m, lH), 3.80 (t, 2H), 2.83 (t, 2H),  2.76-2.63 (m, 2H), 1.97-1.16 (m, 30H)  (15) Synthesis of Compound Al-15  CompoundAl-15 amounting to 4.4 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g oftriphenylsulfonium bromide A was changed to  5.0 g of 5-(propoxy-phenyl)-thianthren-5-ium bromide.  (16) Synthesis of Compound Al-16  CompoundAl-16 amounting to 4.4 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g oftriphenylsulfonium bromide A was changed to  4.8 g of ( 4-t-butoxy-phenyl)-diphenylsulfonium bromide.  (17) Synthesis of Compound Al-17  Compound Al-17 amounting to 3 .4 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g oftriphenylsulfonium bromide A was changed to  3.5 g of 1-(4-t-butylphenyl)tetrahydrothiophenium bromide.  (18) Synthesis of Compound Al-18  CompoundAl-18 amounting to 4.4 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g oftriphenylsulfonium bromide A was changed to  5.5 g of ( 4-isopropylphenyl)-(2-methoxycarbonylphenyl)- ( 4-methoxyphenyl)-sulfonium bromide.  (19) Synthesis of Compound Al-19  CompoundAl-19 amounting to 5.4 g was obtained in the  same manner as in the synthesis of the compoundAl-1 except  that 4.0 g oftriphenylsulfonium bromide A was changed to  9.0 g of tris( 4-t-butoxy-carbonyloxy-3,5-dimethylphenyl)  sulfonium bromide 