1. Name the following alkenes: 2. Assign the E/Z or cis/trans configuration of the following alkenes:...
Determine the (E) and (Z) configuration and give the IUPAC name for the following alkenes. Verify answers if correct. 2. Determine the (E) and (Z) configuration and give the IUPAC name for the following alkenes. trans-but 2-ene cis-but-2-ene (2)-3-bromo-one (E)-but-2-ene (2)-but-2-ene. (E)-1-bromo-2- methyl-1- cyclohexene (E)-3-jodo-4-methyl- 3-hexene (2)-3,4-dimethyl-2-hexene
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);
Assign E or Z or say No E/Z configuration to the alkenes. Br OH CI 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
5. Indicate whether the following compounds are cis-, trans, E or Z isomers and write their names 2 x 2= 4 marks a) CH2CH3 CH3 - CH2 - C=C-CH2CH2CH3 ... CH3CI b) CH3 - C = C- CH3 / CI CI
23) For which of the following alkenes will cis- and trans- isomers not exist? CH3 H₃ C C H₂C CH3 H3CH2C-CH3 Hac нсінсін сня сі" A) a) only (B) only C) both a) and c) D) d) only E) both c) and d)
3. Assign E or Z configuration of the following alkenes; CH,OH CH-CH, COOCH, CH b) CH_CH CH " CH, CHCHOL OH NC 2 CHÁNH, " OCH CH-CO-HN CH NHCH CH 4. Draw structures corresponding to the following systematic names; a) 1-isopropyl-4-methylcyclohexene b) 3-butyl-2-heptene c) 4-methyl-1,2- hexadiene d) trans-3,3-dimethyl-4-propyl-1,5-octadiene e) (42) -2,4-diethyl-1,4-hexadiene 1) 1.2-propadiene g) (32,5E) -2,6-dimethyl-1,3,5,7-octatetraene h) cis-2,2,5,5- tetramethyl-3-hexene i) Methylenecyclohexane j) trans- 1,2 divinylcyclohexane
2) Name the following using cis/trans or E/Z nomenclature when necessary. O CH,Br =C CH HOCH CH CH C1 СІН, CH,CH CH CH CH CH3 C=C HAC CHCH,CI
Name or draw the following molecules (use cis/trans naming system) 1. Name or draw the following molecules (use cis/trans naming system): CI CI CH3 CH2CH3 a. b. c. 4-ethyl-6-(1,2-dimethylpropyl)decane 2. Draw all of the resonance structures for the following compounds. CH2
Select the double bonds in the cis configuration. If there are no cis double bonds, do not select any bonds. Select the double bonds in the trans configuratic Map there are no trans double bonds, do not select any bonds. H сн. H HC CH3 CH3 Н.С. CH3 CH3 CH3 CH3 сна CH2 CH2 HO HO Name the following alkenes using systematic names. H3C CH3 H3C H CH2 CH2 CH3 CH2 H3c1 -CH₂ Br CH2 CHE CH₂ H сн.