mechanisms Comprehensive
Questions and Solutions
Graded A+
ROH with metals - Answer: alkoxide is formed
OH turns to O^- and metal attatches
Alcohol--> haloalkanes - Answer: HX steps in and knocks off the alcohol (OH) group replacing it
with a halide ( Cl,Br, and I)
*F doesnt usually react
*SN1 reactions will occur if tertiary
*SN2 for primary
Primary alcohol w/ PBr3----> haloalkanes (Br) - Answer: PBr3 is attacked and loses a Br
dibromophosphite is a good leaving group
Br- that left the PBr3 attakcs the CH2 group to displace the dibromophosphite group
williams ether reaction - Answer: NaH reacts with 5 or 6 membered ring
O- will react with the C before the halide kicking the halide off and forming a cyclo.