Number 4 and 5 and detailes on how to do all of them including part 3...
Write the two chair conformations of each of the following and in each part designate which conformation would be the more stable: a) cis-1-tert-butyl-3-methylcyclohexane, b) trans-1-tert-butyl-3-methylcyclohexane, c) trans-1-tert-butyl-4-methylcyclohexane, d) cis-1-tert-butyl-4-methylcyclohexane.
exam prep IV. Please draw the Fisher projection for each of the following molecules and determine the absolute configuration (S or R) for all chirality centers. (8 pts) H3C OH C (1) H CH3 Вiн-С NO2 CH(CH3)2 (2) V. Please draw the most stable conformation of trans-1-tert-butyl-3- methylcyclohexane and cis-1-tert-butyl-3-methylcyclohexane. (6 points) IV. Please draw the Fisher projection for each of the following molecules and determine the absolute configuration (S or R) for all chirality centers. (8 pts) H3C OH...
Part A - Organic Chemistry Concepts & Principles 31. Identify the number of tertiary carbons in the following structure. A) 2 B) 3 C) 4 D) 5 E) 6 32. Identify the least stable conformation for 1-tert-butyl-3-methylcyclohexane. A) tert-butyl is axial and the methyl is equatorial. B) tert-butyl is axial and the methyl is axial. C) tert-butyl is equatorial and the methyl is axial. D) tert-butyl is equatorial and the methyl is equatorial. E) All are equally stable.
How would you draw the most stable conformation of trans-1-chloro-4-fluorocyclohexane? Axial chlorine on C-1, Axial fluorine on C-4 Axial chlorine on C-1, Equatorial fluorine on C-4 Equatorial chlorine on C-1, Axial fluorine on C-4 Equatorial chlorine on C-1, Equatorial fluorine on C-4 Choices b and c are both correct Choices a and d are both correct Enviar Respuesta Tries 0/1 How would you draw the most stable conformation of cis-1-tert-butyl-3-methylcyclohexane? Axial tert-butyl group on C-1, Axial methyl group on C-3...
NA afte. 9 Select the most stable conformation for trans-1-tert-butyl-3-methylcyclohexane. н D A 10. Which of the following compounds are optically active [will rotate plane polarized light (is chiral)]? CIL CI CI CI C/. CI A CI CI В D С 11. Rank absorption of the indicated bonds in decreasing (highest to lowest) wavenumber. II н x III a) III> II>I b) I> II III OH c) II>I> IlI d) III I> II но, но—н 12. How many stereocenters are...
Page < 2 > of 5 0 8) In the most stable conformation of tert-butylcyclohexane, how many axial hydrogen atoms are present? a. O Eb. 2 e. 6 9) Which statement is true concerning the mechanism for reaction between HBr and H2C=CH2 to form bromoethane? a the reaction forms mechanism shows electron movement using full arrows, e.g. b. the reaction involves a slow, rate-determining formation of a radical intermediate c. the reaction involves homolysis d. In the first step, HBr...
PLEASE answer ALL parts! NO explanations needed! THANK YOU :) Part IV. (a) Please give the principle organic product(s) of each reaction, please specify stereochemistry if it applies (18 points) H2SO4 HO Heat 1). BH3. THE 2). H2O2, NaOH HBr Peroxide Brz/H20 CH2Cl2 ? t Brz/hv Bigova NaOCH2CH3 CH3CH2OH, 50 °C HBr Heat OH
4. Draw the most stable and most unstable Newman Projection for the following molecules using the rotation around the C3-C4 bond (use the IUPAC rules to number the chain) 5. Draw the two chair conformations for each of the following cyclohexane derivatives and then choose the conformation that is the most stable. Br BA 3 3 3 $ 2879 So ya 6. For the following compounds, identify the chiral carbons with an asterisk (*) and for those that are not...
Please answer all. thanks QUESTION 5 HO Reaction C Reaction D Consider the structural changes that take place during Reaction C and Reaction D and the fundamental mechanisms that you identified from the previous question. Fill in the boxes with the missing reagent that is required to complete Reaction C and Reaction D? (Choose only one reagent per reaction.) O Reaction C: HCI Reaction C: Cl2, heat Reaction C: SOCl2 with pyridine Reaction D: KOC(CH3)3 O Reaction D: NaOCH2CH3 Reaction...
How do I answer questions in number 6 please, Thanks 6) (12 points) Draw mechanisms for the following transformations +HC HO Br2 + HBr H3C H3 hv H3C rパ HO Br H2O + HBr c) (Hint for Se: Doubling the concentration of water has no effect on the rate.) 7.) (4 points) For the reaction in question 6b,t below is seen product, and what product ratio of question 6b is in fact the major prod stabilities of intermediates involved in...