UT
CH 220C -
Diazotization
Unformatted text preview:
View Full Document
04 16 2015 We re going to be making an azo dye Two steps Diazotization o You make a salt o We ve created a really good leaving group on the aromatic amine o we could do this o We could also convert it to to an alcohol o Or reductively remove it o Nitrate benzene then reduce it to aminehh o You make resourcinol Dizonium coupling is an electrophilic coupling Takes about an hour hour and a half Problem with product analysis o we ve relied on mp and IR o it ll dsdlfdf before that happens o Two new analysis Can it dye cotton Dies stuff orange Why is it called azo violet A lot of azo dyes have multiple colors dependentupon the pH We will test this Get ready for checkout 04 16 2015 04 16 2015
View Full Document
Unlocking...