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2,2'-methylenebis[3-chlorotoluene] synthesis

3synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: 1.) NaNO2, conc. HCl, 2.) sodium acetate, sodium sulfite / 1.) water, 10 deg C, 60 min, 2.) from 10 to 15 deg C, 2 h
2: 1.) n-BuLi / 1.) hexane, THF, ether, -95 deg C, 30 min, 2.) from -95 deg C to RT, overnight
3: 69 percent / dichlorodimethylsilane, NaI / acetonitrile / 20.5 h

References:

Bedard, Thomas C.;Corey, Joyce Y.;Lange, Lura D.;Rath, Nigam P. [Journal of Organometallic Chemistry,1991,vol. 401,# 3,p. 261 - 272]