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2. KIMIA ORGANIK I jilid 1 - Kimia itu Mudah

2. KIMIA ORGANIK I jilid 1 - Kimia itu Mudah

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<strong>Kimia</strong> Organik I 205<br />

Diastereomer<br />

(Nonsuperimposable,<br />

nonmirror-image<br />

stereoisomer)<br />

H<br />

CO 2 H<br />

NH 2<br />

C<br />

C<br />

H OH<br />

CH 3<br />

Asam 2R,3R-2-Amino-<br />

3-hidroksibutanoat<br />

H<br />

HO<br />

CO 2 H<br />

NH 2<br />

C<br />

C<br />

CH 3<br />

H<br />

Asam 2R,3S-2-Amino-<br />

3-hidroksibutanoat<br />

H 3 C<br />

H<br />

H 3 C<br />

CH 3<br />

Cis-trans<br />

diastereomer<br />

(subt<strong>itu</strong>en pada sisi<br />

yang sama atau<br />

pada sisi yang<br />

berlawanan dari<br />

ikatan ganda atau<br />

cincin)<br />

C C<br />

C C dan<br />

H<br />

CH 3 H<br />

H<br />

trans-2-Butana<br />

cis-2-Butana<br />

H 3 C<br />

H<br />

H3 C<br />

CH 3<br />

H<br />

CH 3<br />

H<br />

H<br />

trans-1,3-Dimetil-siklopentana cis-1,3-Dimetil-siklopentana<br />

Gambar 6.13 Beberapa contoh stereoisomer

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