O
HN
O
N
O
S
N
O
H
H
-
H
2
O
Reactant
ΔG
0.0
H
H
403K,
3h,
S
8
,
TsOH
H
H
H
Mor
S
n
S
Mor
Mor
S
H
Mor
O
NH
-
Mor-S
n
-
Int2
ΔG
4.4
Int3
ΔG
50.0
TS1
ΔG
13.6
TS3
ΔG
58.5
N
O
S
Mor
H
Int1
ΔG
9.3
Mor-S
n
-
=
O
N
S
n
-
(n=7)
BH
+
HN
O
S
Mor
H
B
B
=
NH
3
B
TS2
-ΔG
9.3
N
O
S
Mor
H
H
Product
ΔG
-1.2
N
O
S
Mor
H
H
S
Mor
B
B
+
Mor-S
n
-