Triphenylphosphine → HCID 20139063, compound

Participants

Reaction Conditions

Reaction Steps

A solution of 5-bromomethyl-2-ethoxy-4H-3,1-benzoxazin-4-one (3.15 gm), prepared as described in Example VI above, and triphenylphosphine (5.44 gm) in toluene was heated at 60° C. for 6 hours. The insoluble precipitate was filtered, and the mother liquor was reduced to half of its original volume and refiltered, yielding 9 gm of 1-(2-ethoxy-4H-3,1-benzoxazin-4-on-5-yl)-methyl-triphenylphosphonium bromide, m.p. (turns yellow at) 125° C. IR: 1740, 1640 cm-1 ;, decom. 135°-140° C.

Provenance & Evidence