The cyanidation of aromatic aldehydes in different reaction time.

Compound	Time (h)	Yielda (%)
1b	6	56
2b	6	78
3b	6	78
4b	6	91
5b	6	77
6b	12	68
7b	12	65
8b	6	86
9b	12	89
10b	12	52
11b	12	91
12b	12	74
13b	12	65
14b	12	70
15b	12	74
16b	12	63
17b	12	65
18b	12	68
19b	12	45
20b	6	70
21b	6	82
22b	24	43
23b	24	54
24b	12	80
25b	6	56

^aYield of crude products.