| 摘要 |
<p>Aldehydes YCHO (where Y is alkylphenyl or where R1, R2 and R3 are H or alkyl, at least one being Me) are prepd. by treating compds. YCH2Cl in vapour phase with O2 in presence of cpds. of elements of gps. IB, IIIA, IIIB, IVA, IVB, VA, VB, and VIB, or Fe.</p> |
