T2 Reactions Spivak Flashcards
Diol –> Ketone/Aldehyde
H+ and H2O
Opposite mech
Aldehyde/Ketone –> Acetal/Ketal
HA and ROH (1°) and -H2O
Acetal/Ketal –> Aldehyde/Ketone
H+ and H2O
Aldehyde/Ketone –>Cyanohydrin
NaCN , 0.5 equiv of HCl
Cyanohydrin –> Aldehyde/Ketone
OH- (Rips H from O-H group)
2° alcohol –> Ketone
CrO3 (oxidation) and H2SO4 (protonates a C=O on CrO3)
Can also use KMnO4 and Swern
1° Alcohol –> Carboxylic Acid
CrO3 and H2SO4
1° Alcohol –> Aldehyde (Not full Oxidation)
PCC (Pyridinium ChloroChromate)
OR
Swern (DimethylSulfurChloride) or (CH2)SO, ClCOCOCl and Et3N
Aldehyde –> CA
CrO3 , H2SO4
OR
OH and HOOH (peroxide)
Ketone –> CA
OH and HOOH (Baeyer-Villager) peroxide
Alkene –> Epoxide
RCOOH (Peroxyacid like mCPBA)
… metachloroparabenzoic acid
Alkene –> Aldehyde/Ketone
O3 and (CH3)2S (Ozonolysis)
Alkene –> Ketone/CA
O3 and HOOH/H3O+ (Oxidation)
Alkene –> Diol
OsO4 (4 =O to Os)
Diol –> Ketone/Aldehyde
H5IO6