| 摘要 |
<p>Ortho-benzoyl-benzoic acid intermediate for quantitative anthraquinone prepn - by nitric acid oxidn. of alkyl indanone. In a modification of 1915385 title cpd. is prepd. by oxidn. with HNO3 of 3-alkyl-indanones of formula (IIIe at 130-140 degrees C. (where R3 is C1-8 alkyl pref. C1-4 alkyl).</p> |
