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<p>A new chromone, 2,3-dihydroxy-5,6,7,8-tetramethylchromone (<b>1</b>), along with 13 known compounds, including <i>o</i>-hydroxybenzoic acid (<b>2</b>), <i>p</i>-hydroxybenzoic acid (<b>3</b>), <i>p</i>-hydroxybenzaldehyde (<b>4</b>), vanillin (<b>5</b>), isovanillin (<b>6</b>), vanillic acid (<b>7</b>), ferulic acid (<b>8</b>), isoferulic acid (<b>9</b>), methyl ferulate (<b>10</b>), protocatechuic acid (<b>11</b>), eugenitol (<b>12</b>), isoeugenitol (<b>13</b>), and 8-methyleugenitol (<b>14</b>), were isolated from the leaves of <i>Kalanchoe beharensis</i> (Crassulaceae). The structure of the new chromone derivative was elucidated by chemical and physical evidence.</p>

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Secondary Metabolites of Kalanchoe beharensis

  • 期刊论文

  • 发表日期：

    2025年7月19日

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  • K. E. Chang,
  • S. T. Huang,
  • W. J. Li,
  • M. J. Cheng,
  • H. T. Li,
  • C. Y. Chen

摘要

A new chromone, 2,3-dihydroxy-5,6,7,8-tetramethylchromone (1), along with 13 known compounds, including o-hydroxybenzoic acid (2), p-hydroxybenzoic acid (3), p-hydroxybenzaldehyde (4), vanillin (5), isovanillin (6), vanillic acid (7), ferulic acid (8), isoferulic acid (9), methyl ferulate (10), protocatechuic acid (11), eugenitol (12), isoeugenitol (13), and 8-methyleugenitol (14), were isolated from the leaves of Kalanchoe beharensis (Crassulaceae). The structure of the new chromone derivative was elucidated by chemical and physical evidence.