| http://www.w3.org/ns/prov#value | - Most preferably, R.sub.1 is ethylene --(CH.sub.2 CH.sub.2)--.Preferably, p is an integer of from 2 to 4.In still another preferred embodiment, the ratio of organic carbonate to the glyme of Formula I is from about 6:1 to about 1:6; more preferably, from about 4:1 to about 1:4; even more preferably from about 3:1 to about 1:3; yet even morepreferably from about 2:1 to about 1:2; and still even more
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