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LIPIDS 609
23.4 Supply the missing compounds:
(a)
(b)
NaNH2
H
ClI
Br
4
5
 : − Na+
(1) KOH, H2O, heat
(2) H3O+
(f )(e)
palmitoleic acid
(d)
(c)
CN
4 6
23.5 The following compound is a:
(a) Monoterpene (b) Sesquiterpene (c) Diterpene
(d) Triterpene (e) Tetraterpene
23.6 Mark off the isoprene units in the previous compound.
23.7 Which is a systematic name for the steroid shown here?
(a) 5α-Androstan-3α-ol
(b) 5β-Androstan-3β-ol
(c) 5α-Pregnan-3α-ol
(d) 5β-Pregnan-3β-ol
(e) 5α-Estran-3α-ol
CH3
HH
HHO