Table 4 in The grass root endophytic fungus Flavomyces fulophazii: An abundant source of tetramic acid and chlorinated azaphilone derivatives

<p><b>Table 4</b> NMR spectroscopic data of <i>E</i> and <i>Z</i> diastereoisomers of 11-hydroxyvermelhotin (compound <b>2</b>) in DMSO <i>d</i> 6 and methanol- <i>d</i> 4.</p><table><tbody><tr><th>No. a</th><th>DMSO <i>d</i> 6</th><th></th><th>methanol- <i>d</i> b 4</th><th></th><th></th><th></th></tr></tbody><tbody><tr><th></th><td><i>&delta;</i> H (<i>E</i> -)</td><td><i>&delta;</i> C (<i>E</i> -)</td><td><i>&delta;</i> H (<i>Z</i> -)</td><td><i>&delta;</i> C (<i>Z</i> -)</td><td><i>&delta;</i> H</td><td><i>&delta;</i> C</td></tr><tr><th>1 (NH)</th><td>7.50, brs, 1H</td><td></td><td>7.60, brs, 1H</td><td></td><td>&ndash;</td><td>&ndash;</td></tr><tr><th>2</th><td></td><td>170.4</td><td></td><td>169.7</td><td>&ndash;</td><td>175.9</td></tr><tr><th>3</th><td></td><td>97.9</td><td></td><td>97.7</td><td>&ndash;</td><td>98.9</td></tr><tr><th>4</th><td></td><td>192.4</td><td></td><td>193.9</td><td></td><td>194.5</td></tr><tr><th>5</th><td>3.53, s, 2H</td><td>51.3</td><td>3.59, s, 2H</td><td>51.8</td><td>3.80, s, 2H</td><td>54.9</td></tr><tr><th>6</th><td></td><td>163.5</td><td></td><td>164.8</td><td>&ndash;</td><td>164.4</td></tr><tr><th>7</th><td>8.07, d, (9.4), 1H</td><td>115.1</td><td>8.05 d, (9.4), 1H</td><td>114.9</td><td>8.17, br, 1H</td><td>116.0</td></tr><tr><th>8</th><td>7.62, dd (9.4, 7.2),1H</td><td>142.0</td><td>7.65, dd (9.4, 7.2), 1H</td><td>142.5</td><td>7.67, dd (9.2, 7.0), 1H</td><td>144.7</td></tr><tr><th>9</th><td>6.64 d (7.2), 1H</td><td>109.0</td><td>6.62 d (7.2), 1H</td><td>108.7</td><td>6.68, d (7.0), 1H</td><td>110.1</td></tr><tr><th>10</th><td>&ndash;</td><td>157.6</td><td>&ndash;</td><td>157.5</td><td>&ndash;</td><td>160.9</td></tr><tr><th>11</th><td>2.74 m, 2H</td><td>40.4</td><td>2.69, m, 2H</td><td>39.9</td><td>2.85,m, 2H</td><td>41.4</td></tr><tr><th>12</th><td>4.19, m, 1H</td><td>61.3</td><td>4.14, m, 1H</td><td>60.7</td><td>4.29, m, 1H</td><td>61.7</td></tr><tr><th>13</th><td>1.14, d (6.0), 3H</td><td>21.9</td><td>1.13, d (6.0), 3H</td><td>21.8</td><td>1.25 d (6.0), 3H</td><td>22.4</td></tr></tbody></table><p>^a Corresponding numbered molecular structure is found in Fig. 2.</p><p>^b Diastereoisomers <i>E</i> and <i>Z</i> hydroxyvermelhotin could not be separately detected in methanol- <i>d</i>.</p>