Chapter 5 Stereochemistry
Adrian Ferrariski1406601113Alfredo1406601044Engga
Saputra1406577120Farid Mujiantono1406601214Hendri1406578142Jessica
Edlyn1406602721Chapter 5StereochemistryClassify each pair of
compounds as constitutional isomers or stereoisomers1
a. Constitutional isomersb. Constitutional isomersc.
Constitutional isomersd. StereoisomersLocate any stereogenic center
in the given molecules2
a.b.
c.d.
e.f.Locate the stereogenic center in each compound and draw both
enantiomers3
A.C.B.Locate the stereogenic centers in each compoundUntuk
menentukan lokasi stereogenic center, kita dapat melihatnya dari
atom karbon tetrahedral (sp3) dalam molekul yang mengikat empat
kelompok atom yang berbeda.4
*
**
*
*
*
**a.b.c.d.e.Which group in each pair is assigned the higher
priority CH3 CH2CH3 I Br H D CH2Br CH2CH2Br CH2CH2Cl CH2CH(CH3)2
CH2OH CHO5Rank the following groups in order of decreasing priority
COOH, H, NH2, OH
H, CH3, Cl, CH2Cl
CH2CH3, CH3, H, CH(CH3)2
CH = CH2, CH3, C CH, H34214312234113246Label Each Compound as R
or S7
213Counter ClockwiseS isomers
123Counter ClockwiseS isomers
1234Counter ClockwiseS isomers
1234Counter ClockwiseS isomersLihat Ar atom yang langsung
mengikat atom C pusatJika ada 2 atau lebih tangan atom C pusat
mengikat langsung atom yang sama, maka dilihat Mr nyaDraw all the
possible stereoisomers for each compound and label pairs of
enantiomers and diastereomers8
A.D.C.B.A & B Enantiomer, C & D Identical, AB & CD
Diastereomer
A.D.C.B.A & B enatereomer, C & D enastereomer, AB &
CD DiastereomerWhich compounds are meso compounds9
a.b.c.Meso CompoundNot Meso CompoundNot Meso CompoundCompound C
contains a plane of symmetry, and is achiral. Meso compounds
generally contain a plane of symmetry so that they possess two
mirror image halves.Without drawing out the structures, label each
pair of compounds as enantiomers or diastereomers(2R,3S) 2,3
hexanadiol and (2R,3R) 2,3 hexanadiol(2R,3R) 2,3 hexanadiol and
(2S,3S) 2,3 hexanadiol(2R,3S,4R) 2,3,4 hexanatriol and (2S,3R,4R)
2,3,4 hexanatriol10DiastereomerEnantiomerDiastereomerDraw all
possible stereoisomers for each compound. Label pairs of
enantiomers and diastereomers11
a.
b.
c.State how each pair of compounds is related. Are they
enantiomers, diastereomers, constitutional isomers, or
identical12
IdenticalIdenticalConstitutional IsomersDiastereomers
