Question

(4 pts) Ephedrine, shown below, is a potent dilator of air passages. The naturally occurring stereoisomer is levorotatory with an (a) of -41º. Assign R or S to each stereocenter. How many stereoisomers of Ephedrine are possible? H NHCH3 HOW TO 4 stereo isomers - (12 pts) Are the following pairs of drawings representing identical, enantiomeric or diastereomeric relationships? 9 R HC a Hobo oh Diastereomeric HCOH C- Id CH pe H Identical Hace Diastereomeria $

Answer 1

d nok in oct to parent chain has 8 Carbon atomes tienal group is -oh . (Alcohol) iar 4-(1,1 - dimethylethyl) -4 - ofenol OM - - - - - C - - C-&- cm 16) 3- Chloro-2-(1-hydroxyethyl)-6-nitrophenol Phenyl + alcohol) OH om barcha myötche EC 3 - (&- fluoro-2-pupenyl)-5-hepten-2-ongs functional genes word root is hept (to parent Compound musts have 7 Carbon atoms) -Ć - Čć=c-c 2C-F 3 CH₂ id 4-11-methylethyl)-5-methyl-3-hepenale han har de amoup â et čty a word root is here ¿- & -¢=c-ce (6 carbon atomas ЕсH word noot i hen

hogy 3- methony Cycloheptane carboxylic acide I 2,3,4-henanetriel coon & Em=&id=&v=crey OH, оң он он 2-phenylethanol 1 1 - decame thaal HE CIE dire come conta con cruce créna - HQ - dton (This group) 3-hydrony cyclopentane carboxamide OM 4 - Bromobenzaldehe CHO 6-Bromo henan ork acid m store.com By