Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1981-10-19
1983-07-05
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568601, 568607, 568608, 568609, 568610, 568613, 568614, C07C 4102
Patent
active
043919944
ABSTRACT:
Oxyalkylene group of an alkylene oxide is inserted into a chain-type ether compound having at least one lower alkyl group by reacting the latter with the alkylene oxide in the presence of a catalyst prepared by mixing boron trifluoride and/or stannic chloride with an active-hydrogen compound exemplified by water or a lower aliphatic alcohol. The reaction results reduced formation of by-product dimer of the alkylene oxide even under an increased charging ratio of the alkylene oxide to the chain-type ether.
REFERENCES:
patent: 4146736 (1979-03-01), Scheffel et al.
Kogoma Kiyoshi
Niizeki Jiro
Ohashi Yu
Sone Norio
Tobita Takashi
Helfin Bernard
Nisso Petrochemical Industrie Co., Ltd.
Oujevolk George B.
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