Substituent effects in the cobalt and rhodium catalyzed hydroformylation of ring substituted styrenes
✍ Scribed by R. Laï; E. Ucciani
- Publisher
- Elsevier Science
- Year
- 1978
- Weight
- 584 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0304-5102
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Substituent Effects in the Preparation of Quinazolinones by Rhodium-Catalyzed Hydroformylation Reactions of 2-(Allylamino)benzamides. -Whereas the methyl derivative (I) in the title reaction gives the quinazolinone (III) as sole product, the other benzamides give varying yields of quinazolinones to
Rhodium based catalysts supported on silica have been prepared by low temperature reduction of the preadsorbed salts with respectively NaBH4 and Zn( BH,)2. The catalyst surfaces were characterized by ESCA, XRD and FT-IR spectroscopy. A remarkable boron and zinc surface enrichment resulted from ESCA
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