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1,3-Cyclohexadiene, 1-(1,5-dimethyl-4-hexen-1-yl)-4-methyl- synthesis

3synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: 1.) LDA / 1.) THF, hexane, 45 min, -78 deg C 2.) THF, 4 h, -78 deg C to RT; 12 h, RT
2: 76 percent / NaBH4 / methanol / 1.) 30 min, 0 deg C, 2.) 5 h, RT
3: Et3N(+)SO2N(-)CO2Me / benzene

References:

Weyerstahl, Peter;Marschall-Weyerstahl, Helga;Scholz, Stefan [Liebigs Annalen der Chemie,1986,# 6,p. 1021 - 1029]