The reaction of meso-1,2-dibromo-1,2-diphenylethane with base gives a cis-1,2-diphenyl alkene while reaction of RR or SS 1,2-dibromo-1,2-diphenylethane gives a trans-1,2-diphenyl alkene. These results suggest the reaction is:
Read DetailsWhich of the following is true about the reaction of 3-bromo-2-methylpentane with potassium methoxide? I. The reaction is E2 elimination with anti-periplanar substrate configurationII. The reaction is concertedIII. The reaction produces the less substituted alkene due to size of the baseIV. A favorable yield requires high concentration of 3-bromo-2-methylpentane and methanol as the solvent
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