4 Flashcards
(10 cards)
1
Q
Di amide reduction
A
Symmetrical Doble bond reduce
Non symmetrical not
2
Q
NH2NH2= O2 OR H2O2
TS–NHNH2= HEAT
COOK –N=N–COOK
A
NH=NH
3
Q
Di imide reduces
A
Less conjugated or even no conjugated c–c bond
4
Q
OSiMe3 TO OH
A
Bu4NF
5
Q
OsO4.py
NalO4
Selective for
A
Terminal alkene
6
Q
Pib–cl protection of 1 alcohol
Mscl makes alcohol good leaving group
A
7
Q
Pb(OAc)4
Lead tetra acetate
A
Same work as HIO4
1,2 di carboxylic acid to alkene
8
Q
SeO2 oxidises
A
Ch2–c=o
Ph–ch2
Allylic ch2
9
Q
Alkene +I2/ ch3cooAg/ ccl4 =
A
Prevost reagent
Trans diol
10
Q
Woodword
A
Cis diol
I2/ch3cooAg/H2O
