Page 84 - 《广西植物》2026年第3期
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4 6 0                                  广  西  植  物                                         46 卷
            (C ̄4″)ꎬ 168.3 (C ̄7″)ꎮ 经与文献( 庞闹等ꎬ2019)              4″)ꎬ 146.5 (C ̄5″)ꎬ 110.0 (C ̄6″)ꎬ 165.7 (C ̄7″)ꎬ
            数据比对ꎬ故鉴定化合物 7 为龙胆酸 5 ̄O ̄β ̄D ̄( 6′ ̄                   137.7 ( C ̄1‴)ꎬ 130. 2 ( C ̄2‴)ꎬ 140. 7 ( C ̄3‴)ꎬ
            O ̄没食子酰基) ̄吡喃葡萄糖苷[gentisic acid ̄5 ̄O ̄β ̄               143.8 ( C ̄4‴)ꎬ 108. 5 ( C ̄5‴)ꎬ 112. 4 ( C ̄6‴)ꎬ
            D ̄(6′ ̄O ̄galloyl) ̄glucopyranoside]ꎮ                 167.0 (C ̄7‴)ꎮ 经与文献(Tetsuo et al.ꎬ1978)数据
                 化 合 物 8        白 色 粉 末ꎮ ESI ̄MS m / z:         比对ꎬ故鉴定化合物 9 为 chesnatinꎮ
                              -                    1                                            1
            637.095 9 [ M - H] ꎬ 分 子 式: C H O ꎮ H ̄NMR              化合物 10  白色无定形粉末ꎮ H ̄NMR (500
                                          26  34  11
            (500 MHzꎬ methanol ̄d ) δ: 7. 10 ( 2Hꎬ sꎬ H ̄2′ꎬ     MHzꎬ DMSO ̄d ) δ: 7. 01 ( 2Hꎬ sꎬ H ̄2′ꎬ H ̄6′)ꎬ
                                 4                                          6
            6″)ꎬ 5.78 (1Hꎬ sꎬ H ̄4)ꎬ 5.68 (1Hꎬ ddꎬ J = 7.4ꎬ     4.86 (1Hꎬ mꎬ H ̄3)ꎬ 4.17 (1Hꎬ mꎬ H ̄5)ꎬ 3.75
            15.6 Hzꎬ H ̄8)ꎬ 5.53 (1Hꎬ ddꎬ J = 9.2ꎬ 15.6 Hzꎬ     (1Hꎬ ddꎬ J = 5.3ꎬ 11.2 Hzꎬ H ̄4)ꎬ 1.72 ~ 1. 80
            H ̄7)ꎬ 4.57 (1Hꎬ ddꎬ J = 2.2ꎬ 12.0 Hzꎬ H ̄6′b)ꎬ      (4Hꎬ mꎬ H ̄2ꎬ 6)ꎻ   13 C ̄NMR ( 125 MHzꎬ DMSO ̄
            4.37 (1Hꎬ dꎬ J = 7.7 Hzꎬ H ̄1′)ꎬ 4.30 (1Hꎬ ddꎬ      d ) δ: 75. 9 ( C ̄1)ꎬ 40. 3 ( C ̄2)ꎬ 65. 8 ( C ̄3)ꎬ
                                                                6
            J = 6.9ꎬ 12.0 Hzꎬ H ̄6′a)ꎬ 4.29 (1Hꎬ mꎬ H ̄9)ꎬ       69.6 (C ̄4)ꎬ 73.4 (C ̄5)ꎬ 48.3 (C ̄6)ꎬ 179.2 ( C ̄
            3.51 ( 1Hꎬ dddꎬ J = 2. 2ꎬ 6. 9ꎬ 9. 2 Hzꎬ H ̄5′)ꎬ    7)ꎬ 121.4 ( C ̄1′)ꎬ 109.1 (2Cꎬ C ̄2′ꎬ 6′)ꎬ 145.7
            3.34 ~ 3.39 (2Hꎬ mꎬ H ̄3′ꎬ 4′)ꎬ 3. 22 ( 1Hꎬ ddꎬ     (2Cꎬ C ̄3′ꎬ 5′)ꎬ 138. 5 ( C ̄4′)ꎬ 165. 9 ( C ̄7′)ꎮ
            J = 8.1ꎬ 8.4 Hzꎬ H ̄2′)ꎬ 2.39 (1Hꎬ dꎬ J = 9.2       经与文献(周志宏等ꎬ2000)数据比对ꎬ故鉴定化合
            Hzꎬ H ̄6)ꎬ 2. 31 ( 1Hꎬ dꎬ J = 16. 8 Hzꎬ H ̄2b)ꎬ      物 10 为茶倍素(theogallin)ꎮ
            1.95 (1Hꎬ dꎬ J = 16.8 Hzꎬ H ̄2a)ꎬ 1.81 (3Hꎬ dꎬ          化 合 物 11       白 色 粉 末ꎮ ESI ̄MS m / z:
                                                                                 +                   1
            J = 1.1 Hzꎬ H ̄13)ꎬ 1.27 (3Hꎬ dꎬ J = 6.4 Hzꎬ H ̄     367.047 7 [ M+Na] ꎬ分子式:C H O ꎮ H ̄NMR
                                                                                            14  16  10
            10)ꎬ 0.87 (3Hꎬ sꎬ H ̄11)ꎬ 0.85 (3Hꎬ sꎬ H ̄12)ꎻ       (500 MHzꎬ methanol ̄d ) δ: 7. 62 ( 1Hꎬ dꎬ J =
                                                                                    4
            13
              C ̄NMR (125 MHzꎬ methanol ̄d ) δ: 37.0 (C ̄1)ꎬ      16.0 Hzꎬ H ̄7′)ꎬ 7.46 (2Hꎬ dꎬ J = 8.7 Hzꎬ H ̄2′ꎬ
                                         4
            48.3 ( C ̄2)ꎬ 202. 3 ( C ̄3)ꎬ 126. 0 ( C ̄4)ꎬ 166. 1  6′)ꎬ 6.82 (2Hꎬ dꎬ J = 8.7 Hzꎬ H ̄3′ꎬ 5′)ꎬ 6.33
            (C ̄5)ꎬ 56.2 (C ̄6)ꎬ 129.5 (C ̄7)ꎬ 137.8 ( C ̄8)ꎬ      (1Hꎬ dꎬ J = 16.0 Hzꎬ H ̄8′)ꎬ 5.33 (1Hꎬ mꎬ H ̄
            78.7 (C ̄9)ꎬ 21.6 (C ̄10)ꎬ 27.3 (C ̄11)ꎬ 27.8 (C ̄     3)ꎬ 4.17 (1Hꎬ mꎬ H ̄5)ꎬ 3.73 (1Hꎬ ddꎬ J = 3.2ꎬ
                                                                                                         13
            12)ꎬ 23.7 ( C ̄13)ꎬ 103.2 ( C ̄1′)ꎬ 75.2 ( C ̄2′)ꎬ    8.5 Hzꎬ H ̄4)ꎬ 2. 04 ~ 2. 22 ( 4Hꎬ H ̄2ꎬ 6)ꎻ  C ̄
            78.0 (C ̄3′)ꎬ 72.0 (C ̄4′)ꎬ 75.5 (C ̄5′)ꎬ 65.1 (C ̄    NMR ( 125 MHzꎬ methanol ̄d ) δ: 76. 1 ( C ̄1)ꎬ
                                                                                         4
            6′)ꎬ 121.5 (C ̄1″)ꎬ 110.3 (2Cꎬ C ̄2″ꎬ 6″)ꎬ 146.6     38.8 (C ̄2)ꎬ 72.0 ( C ̄3)ꎬ 73.5 ( C ̄4)ꎬ 71.3 ( C ̄
            (2Cꎬ C ̄3″ꎬ 5″)ꎬ 139. 9 ( C ̄4″)ꎬ 168. 2 ( C ̄7″)ꎮ    5)ꎬ 38. 2 ( C ̄6)ꎬ 177. 0 ( C ̄7)ꎬ 127. 3 ( C ̄1′)ꎬ
            经与文献(Katsuyoshi et al.ꎬ2009) 数据比对ꎬ故鉴               131.2 ( 2Cꎬ C ̄2′ꎬ 6′)ꎬ 116. 8 ( 2Cꎬ C ̄3′ꎬ 5′)ꎬ
            定化合物 8 为 macarangioside Eꎮ                         161. 2 ( C ̄4′)ꎬ 146. 7 ( C ̄7′)ꎬ 115. 3 ( C ̄8′)ꎬ
                 化合物 9  淡黄色无定形粉末ꎮ ESI ̄MS m / z:                168.7 (C ̄9′)ꎮ 经与文献(李欣馨等ꎬ2024)数据比
                              -                    1
            637.095 9 [ M - H] ꎬ分 子 式:C H O ꎮ H ̄NMR            对ꎬ故鉴定化合物 11 为 3 ̄O ̄对香豆酰基奎 宁 酸
                                          27  26  18
            (500 MHzꎬ methanol ̄d ) δ: 7.14 (1Hꎬ dꎬ J = 1.9     (3 ̄O ̄p ̄coumaroylquinic acid)ꎮ
                                 4
            Hzꎬ H ̄2″)ꎬ 7.07 (1Hꎬ sꎬ H ̄5‴)ꎬ 6.65 (1Hꎬ dꎬ            化合物 12  白色无定形粉末ꎮ ESI ̄MS m / z:
                                                                                 -                   1
            J = 1.9 Hzꎬ H ̄6″)ꎬ 6.28 (2Hꎬ sꎬ H ̄2ꎬ 6)ꎬ 4.93      353.087 6 [ M - H] ꎬ 分 子 式: C H O ꎮ H ̄NMR
                                                                                             16  18  9
            (2Hꎬ sꎬ H ̄7)ꎬ 4.60 (1Hꎬ dꎬ J = 7.4 Hzꎬ H ̄1′)ꎬ      (500 MHzꎬ methanol ̄d ) δ: 7. 56 ( 1Hꎬ dꎬ J =
                                                                                    4
            3.87 (1Hꎬ ddꎬ J = 2.2ꎬ 12.0 Hzꎬ H ̄6′b)ꎬ 3.75       16.0 Hzꎬ H ̄7′)ꎬ 7.05 ( 1Hꎬ dꎬ J = 2. 0 Hzꎬ H ̄
            (1Hꎬ J = 4. 5ꎬ 12. 0 Hzꎬ H ̄6′ a)ꎬ 3. 44 ~ 3. 48    2′)ꎬ 6.95 (1Hꎬ ddꎬ J = 2.0ꎬ 8.2 Hzꎬ H ̄6′)ꎬ 6.78
                                      13
            ( 4Hꎬ H ̄2′ꎬ 3′ꎬ 4′ꎬ 5′)ꎻ    C ̄NMR ( 125 MHzꎬ       (1Hꎬ dꎬ J = 8.2 Hzꎬ H ̄5′)ꎬ 6.27 (1Hꎬ dꎬ J =
            methanol ̄d ) δ: 137. 7 ( C ̄1)ꎬ 107. 6 ( 2Cꎬ C ̄2ꎬ   16.0 Hzꎬ H ̄8′)ꎬ 5.34 (1Hꎬ dddꎬ J = 4.4ꎬ 8.5ꎬ
                      4
            6)ꎬ 151.1 (2Cꎬ C ̄3ꎬ 5)ꎬ 135.1 (C ̄4)ꎬ 67.1 ( C ̄     9.0 Hzꎬ H ̄5)ꎬ 4.17 ( 1Hꎬ mꎬ H ̄3)ꎬ 3.74 ( 1Hꎬ
            7)ꎬ 108. 2 ( C ̄1′)ꎬ 75. 0 ( C ̄2′)ꎬ 78. 4 ( C ̄3′)ꎬ  ddꎬ J = 3.2ꎬ 8.5 Hzꎬ H ̄4)ꎬ 2.03 ~ 2.25 (4Hꎬ H ̄
                                                                      13
            70.7 ( C ̄4′)ꎬ 77. 6 ( C ̄5′)ꎬ 62. 0 ( C ̄6′)ꎬ 121. 5  2ꎬ 6)ꎻ  C ̄NMR (125 MHzꎬ methanol ̄d ) δ: 74.6
                                                                                                   4
            (C ̄1″)ꎬ 115.2 ( C ̄2″)ꎬ 148.3 ( C ̄3″)ꎬ 140.7 ( C ̄   (C ̄1)ꎬ 36. 0 ( C ̄2)ꎬ 68. 7 ( C ̄3)ꎬ 72. 0 ( C ̄4)ꎬ
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