In a given names are substituted cyclic compounds we follows the iupac nominculatchar for organic compounds rules
4. Draw the following cycloalkanes as two-dimensional structures, using wedges and dashes: trans-1-bromo-2-methylcyclopentane cis--chloro-3 ethylcyclohexane trans-1,3-dimethylcyclohexane...
Draw the structure for the following compound using wedges and dashes. trans−1−ethyl−2−methylcyclopentane
Draw the most stable conformation for; a. trans-1-chloro-3-methylcyclohexane b. cis-1-ethyl-2-isopropylcyclohexane c. trans-1-bromo-4-ethylcyclohexane d. cis-2-bromo-1-methylcycclohexane Sppecifically, show the ring flipping and calculate the strain using the table given in the power point slides.
draw the structures 2-Ethyl1,4-dimethylcycloheptane Cis-1,3-diethyl cyclobutane Trans-1-bromo-3-ethylcyclopentane Cis-1,2-diethyl cyclopropane Trans-1,2-diethyl cyclopropane 2-methylheptane 4-ethyl-2,2-dimethylhexane 4-ethyl-3,4-dimethyloctane 2,4,4-trimethylheptane 3,3-diethyl-2,5-dimethylnonane 4-isopropyl-3-methylheptane
PART B: Cyclohexane Procedures: 1. Make a model of cis-1,2-dimethylcyclohexane and trans-1,2-dimethylcyclohexane. Do a ring flip of both *Draw the two conformation of the cis and trans cyclohexane structures above *List the number of axial and equatorial substituents for both the cis and trans *Which isomer is more stable overall, cis or trans? Why? 2. Make a model cis-1,3-dimethylcyclohexane and trans-1,3-dimethylcyclohexane. Do a ring flip *Draw the two conformation of the cis and trans cyclohexane structures above *List the number...
For the following draw the chair conformer a. trans-3-butyl-1-ispropylcyclohexane b. trans-4-ter-butyl-1-cyclohexanol c. cis-2-chloro-l-ethylcyclohexane
5. The following substitution reaction was carried out using either cis-1-bromo-3-ethylcyclohexane or trans-1-bromo-3-ethyl cyclohexane. Explain the observations using the mechanism for this reaction and displaying the species (starting material, products, etc) in the chair conformation. Br Bu N+ Br- CH,CH, ether CH,CH, Minor CH,CH, Major a)the same mixture is obtained from either starting material Note that for the cis- example not much of it reacts. For the trans-example most of it is transformed into the cis. Bu N+ Br- b)...
In each of the cases below, which isomer is more stable? a) 1,4-dimethylcyclohexane (cis/trans?): b) 1-bromo-2-methylcyclohexane : (cis/trans?) c) 1,3-diethylcyclohexane (cis/trans?)
20. Make a model of trans-1, 4-dimethylcyclohexane and cis-1, 4-dimethylcyclohexane. Draw their chair conformations below including the chair flip for each. Repeat questions 15-16 on this model Part III. Learning to Draw Molecules on a Computer Start the ACD ChemSketch programs and spend 15 minutes familiarizing yourself with their drawing capabilities. Practice using ChemSketch 2.0 to convert two dimensional structures to three dimensional structures and rotating and viewing three dimensional structures. 1. Based on the shape of the molecule, what...
Draw structures for the following compounds. a. 2-chloro-1,3-cyclopentadiene b. 2-bromo-5-nitroaniline c. 2-chloro-5-fluoro-3-octyne
Draw the structures for the following compounds. a) (3Z,5S)-4-bromo-5-chloro-2-methylhexa-1,3-diene b) (5S,7S)-5-(bromomethyl)-7-chloro-oct-2-yne c) (1S,5S,6S)-6-bromo-5-[(1R)-1-chloroethyl]cyclohex-3-enol d) 2-bromo-4-[(1R)-1-hydroxyethyl]benzoic acid e) (3S,4S,5S)-5-amino-3-hydroxy-4-methylhexanal f) (Z,2R,4R)-6-bromo-4-chloro-N-ethyl-N-methylhept-5-en-2-amine g) [(1S)-1-chloroethyl] (Z,3R)-5-chloro-3-methoxyhex-4-enoate h) (Z,3R)-3-bromo-4-chloro-7-methyloct-4-enoic acid i) (3S)-6-bromo-N-ethyl-N,3-dimethylhex-4-ynamide j) (Z,3R,4S)-6-bromo-3-[(1S)-1-chloroethyl]-4-hydroxyhept-5-en-2-one