Question

please do all.

7D. Complete the following Fischer projections for all 4 of your models and assign Rand S to all chiral carbons. Label the pairs of enantiomers and the pairs of diastereomers. COOH COOH COOH COOH НО- -Н Н- СН3 COOH Союн COOH соон

Answer 1

(0он соби ООО ТЕБЕ НО -н ні — бң и сооч иб-тең — би —СН. И ! сен Соон Сори -cң, СООИ (С) coon (+) (8) на соң We will assign R and configuration to A only, then we can easily assign R/s to all stereoisomers. 0ОЙ For Carbon-x ИО — — т оби P Rotation is clockwise, should be и — A си, hon priority R but least group is on horizontal axis so s for carbon-y Again rotation is cockwise but since Horontal group ison least priority group is horizontal so s configuration (ори и 3 If the chinal carbon atoms show these arrangements as in CA then they would be s othawise R configuration 004 оди Юли шои Ко—19-н 1. Ron HR on noten НИ; нски - - н, ң -н Loon од Cook coon Сооп (A) and (B); (0) and (D) are enantiomers rest will be cs drasteneo mene (Aland (c); (M) and D) ;(B) and (C) ; (B ) and D CamScanner

coon — ои cook к Ron coon ho— -н 애 woon (E) IB-H He on coon coon F) olmt@ Both m,n carbon centres are s-configuration Although they show clockwise notation but least priority group is on horizontal axis In ono - COOH (C) and (F) are enantiomers and (E) and (); ( h and (a) are diastereomers and (W is meso isomer has it has ad plane of symmetry. CamScanner