[CH2:1]([CH:3]([CH2:9][CH3:10])[C:4]([O:6][CH2:7][CH3:8])=[O:5])[CH3:2].[Br:11][CH2:12][CH2:13][CH2:14][CH2:15]Br>>[Br:11][CH2:12][CH2:13][CH2:14][CH2:15][C:3]([CH2:9][CH3:10])([CH2:1][CH3:2])[C:4]([O:6][CH2:7][CH3:8])=[O:5]Using ethyl 2-ethylbutyrate and 1,4-dibromobutane, the same reaction as in Reference Example 16 was conducted to produce the title compound. b.p. 125°-130° C./0.3 mmHg
Wird geladen…