PREPARATION METHOD FOR ALPHA,BETA-UNSATURATED KETONES

PCT No. PCT/JP90/01489 Sec. 371 Date Jul. 15, 1991 Sec. 102(e) Date Jul. 15, 1991 PCT Filed Nov. 15, 1990 PCT Pub. No. WO91/07368 PCT Pub. Date May 30, 1991.(beta)-hydroxyketones are prepared by reacting an aldehyde with acetone in the presence of perhydroisoindole or pyrrolidine and water. The resu...

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Hauptverfasser:	TADASHI KYOTANI, MASASHI NAKAJIMA, KEIICHI TSUKASHIMA, MIKIO SAWAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	PCT No. PCT/JP90/01489 Sec. 371 Date Jul. 15, 1991 Sec. 102(e) Date Jul. 15, 1991 PCT Filed Nov. 15, 1990 PCT Pub. No. WO91/07368 PCT Pub. Date May 30, 1991.(beta)-hydroxyketones are prepared by reacting an aldehyde with acetone in the presence of perhydroisoindole or pyrrolidine and water. The resulting (beta)-hydroxyketone is further reacted in the presence of a solvent mixture to produce (alpha)-(beta)-unsaturated ketones.