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CDCl3 )δ :139.9(C-1),136.5(C-2),69.4(C-3),67.9
                                                           (C-4),68.1(C-5),30.0(C-6),168.2(C-1′),40.3(C-2′),
                 丙酮、浓硫酸
                                   正丙胺等+TBTU
                  室温搅拌
                                 二氯甲烷/N、N-二甲基甲酰胺            32.2(C-3′),19.8(C-4′),13.8(C-5′)。根据上述波谱数据
                                                            确定 T5为(3R,4S,5R)-N-正丁基-3,4,5-三羟基-1-环己
            SA             中间体b                 中间体c4~c11
                                                            烯-1-甲酰胺。
                                                                目标化合物 T6——白色固体,mp:136~138 ℃,
           冰醋酸、水
                                                            ESI-MS:m/z 250.10[M+H] 。 H-NMR(400 MHz,DMSO-
           加热回流                                                                   +  1
                                                            d6 )δ:2.06~2.13(dd,1H,J=18.0,7.0 Hz,H-6ax),2.58~
                     T4~T11
                                                            2.64(dd,1H,J=18.0,7.2 Hz,H-6eq),3.56~3.58(m,
                                                            1H,H-5),3.87~3.80(m,1H,H-4),4.27(m,1H,H-3),
                                                            4.59~4.60(d,1H,J=7.0 Hz,5-OH),4.74~4.76(d,1H,
                                                            J=7.0 Hz,4-OH),4.81~4.83(d,1H,J=7.0 Hz,3-OH),
                                                            6.45(d,1H,J=6.0 Hz,H-2),7.01~7.07(d,1H,J=8.0
                                                            Hz,H-5′),7.26~7.32(t,2H,J=8.1 Hz,H-4′,6′),7.65~
                                                            7.69(d,2H,J=8.0 Hz,H-3′,7′),9.67(s,1H,-NH-);
                                                            13 C-NMR(100 MHz,CDCl3 )δ:139.9(C-1),136.5(C-2),
                           A.目标化合物T4~T11
                                                            69.4(C-3),67.9(C-4),68.1(C-5),30.0(C-6),163.1
                                                           (C-1′),137.6(C-2′),121.6(C-3′,7′),128.9(C-4′,6′),
                 醋酐、吡啶            氯化亚砜,加热回流
                 室温搅拌          2-氨基吡啶、二氯甲烷、吡啶,搅拌            128.0(C-5′)。根据上述波谱数据确定 T6 为(3R,4S,

            SA           中间体h                   中间体i        5R)-N-苯基-3,4,5-三羟基-1-环己烯-1-甲酰胺。
                                                                目 标 化 合 物 T7—— 白 色 固 体 ,mp:86~88 ℃ ,
                                                            ESI-MS:m/z 264.11[M+H] 。 H-NMR(300 MHz,DMSO-
                                                                                  +
                                                                                     1
           甲醇钠
          室温搅拌
                                                            d6 )δ:2.01~2.07(dd,1H,J=18.0,7.0 Hz,H-6ax),2.50~
                                                            2.56(dd,1H,J=18.0,7.0 Hz,H-6eq),3.53(m,1H,H-5),
                     T12
                                                            3.84(m,1H,H-4),4.20(m,1H,H-3),4.31(s,2H,
                             B.目标化合物T12
                图3    目标化合物T4~T12的合成路线
                                                            2′-CH2 ),4.53(d,1H,J=7.0 Hz,5-OH),4.68~4.70(d,
        Fig 3  The synthetic route to the target compounds
                                                            1H,J=7.0 Hz,4-OH),4.77(s,1H,J=7.0 Hz,3-OH),
               T4-T12
                                                            6.37(d,1H,J=6.0 Hz,H-2),7.23~7.30(m,5H,Ar-H),
        (m,2H,H-2′),3.48~3.50(m,1H,H-5),3.80(m,1H,          8.40(s,1H,-NH-);C-NMR(100 MHz,CDCl3 )δ:139.9
                                                                             13
        H-4),4.17(m,1H,H-3),4.54~4.56(d,1H,J=7.0 Hz,       (C-1),136.5(C-2),69.4(C-3),67.9(C-4),68.1(C-5),
        5-OH),4.68~4.70(d,1H,J=7.3 Hz,4-OH),4.77~4.78       30.0(C-6),168.5(C-1′),43.9(C-2′),137.9(C-3′),126.9
        (d,1H,J=7.2 Hz,3-OH),6.27(d,1H,J=6.3 Hz,H-2),      (C-4′,8′),128.5(C-5′,7′),126.7(C-6′)。根据上述波谱
        7.81~7.84(t,1H,J=6.0 Hz,-NH-);C-NMR(100 MHz,        数据确定 T7为(3R,4S,5R)-N-苄基-3,4,5-三羟基-1-环
                                       13
        CDCl3 )δ :139.9(C-1),136.5(C-2),69.4(C-3),67.9      己烯-1-甲酰胺。
        (C-4),68.1(C-5),30.0(C-6),168.2(C-1′),40.9(C-2′),       目标化合物 T8——白色晶体,mp:179~180 ℃,
        23.1(C-3′),11.2(C-4′)。根据上述波谱数据确定 T4为                ESI-MS:m/z 264.11[M+H] 。 H-NMR(400 MHz,DMSO-
                                                                                  +
                                                                                     1
        (3R,4S,5R)-N-正丙基-3,4,5-三羟基-1-环己烯-1-甲                d6 )δ:2.05~2.10(dd,1H,J=16.0,7.0 Hz,H-6ax),2.25
        酰胺。                                                (s,3H,-CH3 ),2.58~2.62(dd,1H,J=18.0,7.0 Hz,
            目标化合物 T5——白色固体,mp:103~104 ℃,                    H-6eq),3.53~3.57(m,1H,H-5),3.86~3.88(m,1H,
                              +
                                 1
        ESI-MS:m/z 230.13[M+H] 。 H-NMR(400 MHz,DMSO-        H-4),4.26(m,1H,H-3),4.65~4.66(d,1H,J=7.0 Hz,
        d6 )δ:0.84~0.89(t,3H,J=7.5 Hz,H-5′),1.24~1.32(m,    5-OH),4.78~4.80(d,1H,J=7.0 Hz,4-OH),4.85~4.86
        2H,H-4′),1.35~1.43(m,2H,H-3′),1.93~2.00(dd,1H,     (d,1H,J=7.0 Hz,3-OH),6.43(d,1H,J=6.0 Hz,H-2),
        J=18.0,7.0 Hz,H-6ax),2.46~2.48(dd,1H,J=18.0,7.0     7.08~7.10(d,2H,J=8.0 Hz,H-3′,7′),7.54~7.56(d,
        Hz,H-6eq),3.05~3.10(t,2H,J=7.5 Hz,H-2′),3.46~       2H,J=8.0 Hz,H-4′,6′),9.63(s,1H,-NH-);C-NMR
                                                                                                    13
        3.50(m,1H,H-5),3.79~3.82(m,1H,H-4),4.16(m,1H,      (100 MHz,CDCl3 )δ:39.9(C-1),136.5(C-2),69.4(C-3),
        H-3),4.64~4.69(m,2H,4-OH,5-OH),6.26(d,1H,J=         67.9(C-4),68.1(C-5),30.0(C-6),163.1(C-1′),134.6
        6.0 Hz,H-2),7.76(s,1H,-NH-);C-NMR(100 MHz,         (C-2′),121.5(C-3′,7′),129.2(C-4′,6′),136.8(C-5′),
                                      13

         ·948  ·  China Pharmacy 2020 Vol. 31 No. 8                                  中国药房    2020年第31卷第8期
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