Draw skeletal structures of the following molecules and show the steps: (R)-2-chloro-2-methyloxypentane (2S,3S)-2-bromo-3-chloropentane (1R,2S)-1,2-dibromocyclopentane
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Draw skeletal structures of the following molecules and show the steps:
(R)-2-chloro-2-methyloxypentane
(2S,3S)-2-bromo-3-chloropentane
(1R,2S)-1,2-dibromocyclopentane
Step by step
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- best condition for the reaction (1r,2s)-1 bromo-2methylcyclohexane->(s)3-methylcyclohex-1eneWhich of the structures below is (4R)-4ethyl-2,4- dimethylcyclohexan-1-one?Is the following alkene E,Z, or neither? a. E b. Z c. neither d. It is one or the other, but which is impossible to determine from the information given
- OChem HELP... Draw the conformational structures (chair or boat conformations) for the MAJOR product formed when 1-tert-butylcyclohexene reacts with each of the following reagents. Also, indicate if the product obtained is racemic form. a) Br2, CCl4 b) Br2, H2O c) OsO4, then aqueous NaHSO3 d) ICl e) mCPBA, then H3O+, H20 f) O3, then Me2S (conformational structure not required) g) BH3:THF, then H2O2, HO- h) D2, Pt i) Hg(OAc)2 in THF-H2O, then NaBH4, HO- j) BD3 :THF, then CH3CO2TTwo conformations of cis-l, 3-dimethylcyclobutane are shown. What is the difference between them, and which do you think is likely to be more stable?When 2-cyclobutylpropan-2-ol is treated with a solution of HBr in Et2O, 2-bromo-1,1-dimethylcyclopentane is the resulting product. Write the reaction and propose a mechanism using curved arrows notation in each step.
- Alcohols can be converted to alkyl chlorides using SOCl2 with complete inversion of stereochemistry. Using curved arrows draw the stepwise mechanism for chlorination of an alcohol. Be sure to include lone pairs necessary to the mechanism steps and any non-zero formal charges.(1R,2R)-1-Bromo-2-methylcyclopentane is reacted with sodium methoxide. Given the product(s) and show the reaction mechanism, including the depiction of the transition state. Draw an energy diagram for this conversion.Draw mechanism arrows and then predict the major products and stereochemistry. Also include the labels of thermodynamic and kinetic 1-methylcyclohexene with BH3 followed later with –OH, H2O2, and H2O.
- Predict the products of the following reactions. cyclopentadiene + methyl acrylate, CH2“CH¬COOCH3What are the major products(s) formed by treating 1,2-dimethyl cyclopentene with Br2?1. (1-bromo-1, 3-dimethylcyclopentane) an optically active pure sample reacted with water. Write the complete mechanism which includes the electron-pushing arrows. Show the expected stereochemistry for each of the case and each mechanism should give two distinct products and then describe the relationship of the products to one another.
