| abstract |
A NEW FAMILY OF PHOSPHINE COMPOUNDS IS DESCRIBED THAT CANNOT BE USED TO MANUFACTURE METAL COORDINATING COMPLEX CATALYSTS, OPTICALLY ACTIVE, COMBINING HIGH EFFICIENCY WITH A QUICK OPERATION AND SUPERIOR PERFORMANCE EFFICIENCY AND PERFORMANCE PERFORMANCE AT 75 AND FOR A TIME NOT EXCEEDING A FEW HOURS, (PREFERABLY LESS THAN ONE HOUR) IN THE WATER, THUS AVOIDING PROBLEMS OF LOSS AND RECOVERY OF SOLVENTS; THESE PHOSPHINE COMPOUNDS, USED FOR THE ASYMETRIC CATALYTIC HYDROGENATION OF CERTAIN OLEFINIC COMPOUNDS, HAVE THE FORMULA: (CF DRAWN IN BOPI) OR R IS A RADICAL ALKYL, ARYL OR DIALKYLAMINO OR THE ALKYL GROUPS AND EVALLY HYRENTARLE GROUPS OR FARLY HYCENTARLE GROUPS SUBSTITUTES, PROVIDED THAT R DOES NOT INTERFERATE WITH THE NECESSARY PROPERTIES OF SOLUBILITY OR WITH THE CATALYTIC PROCESS, R IS A HYDROGEN OR A RADICAL ALKYL OR ARYL WHICH MAY BE HYDROCARBON OR POSSIBLY SUBSTITUTE, EITHER IN A MINERAL POSITION 3, 4 OR 5 AND DOES NOT INTERFER WITH THE NECESSARY SOLUBILITY PROPERTIES OR WITH THE CATALYTIC PROCESS. |