Entry

2

PG

3 (eq)

NaH (eq)

Time (h)

4 (%)

6 (%)

8 (%)

1

b

Boc

9

3

0.25

50

-a

-

2

c

Me

9

3

0.25

62

-

-

3

d

Piv

9

3

0.25

-

-

37