Protected ethynylated phenols

Details Protected ethynylated phenols Protected ethynylated phenols

1984-03-21

1985-09-10

Lone, Werren B.

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

Organic compounds

Oxygen containing

568764, 568794, C07C 3911

Patent

active

045408335

ABSTRACT:
An acetylenic end-capping agent of the general formula ##STR1## wherein R.sup.1 and R.sup.2 can be the same or different and are selected from the group consisting of hydrogen, C11 to C4 alkyl, phenyl and substituted phenyl, and wherein R.sup.1 and R.sup.2 together with the carbon atom to which they are attached form a saturated 5- or 6-membered ring. This end-capping agent is substantially free of Pd and Cu.
Also provided is a method for producing this end-capping agent and a method for producing acetylene terminated compounds.

REFERENCES:
patent: 3526668 (1970-09-01), Starnes, Jr.
patent: 4260832 (1981-04-01), Parker et al.
Davis et al., "J. Chemical Society", (London), 1959, pp. 3081-3082.

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