Polyethers having tertiary alcoholic terminals

Details Polyethers having tertiary alcoholic terminals Polyethers having tertiary alcoholic terminals

1985-08-09

1987-10-27

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536120, 568607, 568608, 568609, 568616, 568620, 568624, 568625, C07G 300, C07H 1504, C07C 4311, C07C 4318

Patent

active

047031140

ABSTRACT:
Polyethers of the formula: ##STR1## wherein: R is the residue of a starting active hydrogen compound with removal of the active hydrogen atom, R.sub.1 is a C.sub.1 -C.sub.10 alkyl or aryl, R.sub.2 is a C.sub.1 -C.sub.10 alkyl, R.sub.3 is H, CH.sub.3, C.sub.2 H.sub.5 or phenyl, x is 5-100, y is 1-5, and z is 2-8 are less active than those having primary or secondary alcoholic function at terminals.

REFERENCES:
patent: 2886600 (1959-05-01), Horsley et al.
patent: 3542759 (1970-11-01), Gelotte et al.
patent: 4275244 (1981-06-01), Helfest et al.
patent: 4302349 (1981-11-01), Kosswig et al.
Ikeda et al, "Synthesis of Substituted Crown Ether, from Oligoethylene Glycols", J. Org. Chem. 45 (26), 1980, pp. 5355-5358.

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