Toluene → Benzene, 1,1'-tellurobis[4-methoxy-

Participants

Reaction Steps

p-Tolylydrazine (61 mg, 0.50 mmol) was reacted with bis-(p-methoxyphenyl)-telluroxide for 0.2 h. to yield toluene (30%); p.l.c. (benzene-petroleum ether 1:1) afforded bis-(p-methoxyphenyl)-telluride (102 mg, 59%) and p-tolyl-p-methoxyphenyltelluride (28) (43 mg, 26%). The latter, on recrystallisation from methanol gave white needles, m.p. 65.5°-67° (lit., 64°-64.5°), δ(CDCl3) 7.67 and 7.47 (both d, J 9 Hz, combined integral 4H), 6.93 and 6.70 (both d, J 9 Hz, combined integral 4H), 3.77 (3H,S), and 2.30 (3H, S), m/e 328 (M+), 210, 198 (100%), 183, 145, 91, 77 and 65 (Found: C, 51.62; H, 4.31 Calc. for C14H14O Te: C, 51.60; H 4.33%).

Provenance & Evidence