+
trans-2-Butene
C
C
H 3 CH
HCH 3
+
O
COOH
O O
R
H CH 3
H 3 C H
H 3 C H
H CH 3
Enantiomeric trans-2,3-dimethyloxiranes
+
trans-2-Butene
C
C
H 3 CH
HCH 3
+
O
COOH
O O
R
H CH 3
H 3 C H
H 3 C H
H CH 3
Enantiomeric trans-2,3-dimethyloxiranes