E-Z isomer:
If highest priority group on both carbon are on the same side, then
it is called Z isomer
If highest priority group on both carbon are on the opposite side,
then it is called E isomer
Question 2 1 pts Assign E or Z configuration to the following molecule: OOH СЕ
1. Name the following alkenes: 2. Assign the E/Z or cis/trans configuration of the following alkenes: C-C H3CH2C CH2CH3 Br CH3H H3 CH3 Cl Br
Can you explain please 3. Assign E or Z configuration to the alkenes below. (4 pts) CN CH,CH,OH b) Cl H2CH3 CH3
Assign E or Z or say No E/Z configuration to the alkenes. Br OH CI Br
1 Question 7 For each of the following alkenes, assign the configuration of the double bond as either E or Z: Oz OE N Ο Ε ze
PROBLEM 7 13 Assign E or Z configuration to the following alkenes: (a) H3C CH2OH (b) C CH2CH3 CH3CH2 C снзо сњењенз (c) CH3 (d) H CN CO2H с с H3C CH2NH2 CH2OH PROBLEM 7-14 Assign stereochemistry (E or Z) to the double bond in the following com pound, and convert the drawing into a skeletal structure (red O);
Determine if the following molecule is chiral and then assign R or S configuration to the chiral carbon(s):
Assign an E or Z configuration to these dicarboxylic acids, each of which is an intermediate in the tricarboxylic acid cycle. Under each is its common name.
3. Assign E or Z configuration of the following alkenes; CH CH OH non CH CH, CH COOCH3 c) CHO CH, CH,CH CH.CH NC CHINH Сс OCH CH-CO-HN CH NHCH
2. Mark all stereocenters with an asterisk (*) and assign the configuration (R or S) for each. Also write whether the molecule is chiral, achiral, or meso (3 pts each) H CH2OH b. c. tch Br Сн, 3. Name the following compounds (2 pts each) Br b.
VII. (12 pts) Consider the following Sn2 reaction. Br -CN DMF a. assign configuration to the chirality center of the substrate. b. Write the structure of the product. c. assign configuration to the chirality center of the product.