Aldehydes and Ketones Key
Aldehydes and Ketones Key
Aldehydes and Ketones Key
1 10 D A D B C D C A ,B,C,DB , D A,C
11 20A,B,D B C D A C 6 4 9 9
21 23 1 2 3
SOLUTIONS
1)
2) Wittig reaction
3) conceptual
NaBH 4 H NaBD4 D
4) supplies while supplies
has 2 isomers
6) Four possible products are
* *
C H(OH) C H(OH)CHO
Aldol condensation
Tetrose
HO CH2 CHO HO CH2
It can be D, L-erythrose and D, L-threose
7) Electron with drawing group increases reactivity in Benzoin condensation
9) Conceptual
10)
O O
ph C H
OH ph C H
OH
R .D .S O
ph C H
ph CH 2 O
PARAGRAPH -1 (12-13)
A is B is F is G is