Used to produce an epoxide of certain stereochemistry
OCC([1*])=C([2*])[3*]becomes with addition of (+)-DET and
OC[C@]1([1*])O[C@@]1([2*])[3*]where the epoxide oxygen is meant to stick into the screen
Mnemonic
Left hand rule
Thumb =
Four fingers = alkene
Negative (-) = kNuckle
Positive (+) = Palm
This mnemonic was developed by Professor Hung Pham in grad school.