1. NaH 14. СH3(СH);CH,ОН 2. СH,CH,CH>1I Ао00с HBr 16. CH2 CHCH=CH2 25°C 17. CH3MgBr + CH2CCH L. Et,O 2. H30* OH H2CRO4 18. CH3(CH2)5CCH2CH3 Acetone, 35°C H
What is/are the major product(s) in the following reaction? + Меон ОСН, OCH, овь о с с O E an equal mixture of bando
Give the organic product(s) HOCH нф.cн, - Svien ? ? OCH O CHE Ó-CH осн Select one: O A. II and IV B. I and III @ C. 1 D. II E.1 OF. IV
e сн, осн, снснснснсн,сн, CH снснснснсн,сн, осн, сн, с сн Cla сн-снсн-снсH,сн, снрн When 2-methyl-3. besene is treated with Cly in methanol, three products are formed (neglecting stereohomers). Draw curved arrews to show the movement of electroas in this step of the reaction mechanism Arrow paching Instructions но— сн, :б—сн, CH :0- сн На -C-CH Cн но — сн, Н,с- CH Нас —с Sab A Ery Anoe rs
1. Propose suitable reagents to accomplish the following transformations. (3 pts) Br -F (a) Br осн. (b) Br -OH (c)
3. Provide a mechanism for the following reactions a) осн. CH, H, A NHCH b) 1) SOCI 2) NaSCH.CH HC тон CH H.C. CH, CH, c) MaBr 1) CO2 2) H30 тон HCO H.CO
Let {et} denote a white noise process from a normal distribution with E[et] = 0, Var(et) = σe2 and Cov(et, es) = 0 for t ≠ s. Define a new time series {Yt} by Yt = et + 0.6 et -- 1 – 0.4 et – 2 + 0.2 et – 3. 1. Find E(Yt ) and Var(Yt ). 2. Find Cov(Yt , Yt – k) for k = 1, 2, ...
Predict the product for the following reaction. он 1. SOCI2/pyridine 2. LiA[[OC(CH3)3]Н ОН Осн. || ОН SOCIII Оооооо
1. The most stable conformation of trans-3-ethyl-1-iodocyclohexane is a. Et b. C. d Et Et 2. a 3. Which of the following is NOT a resonance structure of ozone? b. a. d. All are valid resonance structures C. 4. Arrange the following bicyclic alkenes in order of increasing stability (least stable to most stable) II II d. Il<lll< C. I<ll<llI b. I<lll<ll a. Ill<ll< 5 What is the correct Lewis structure for CHsNCO? b. No 0 НС H,C- a. d....
3. Provide mechanisms to explain the following reactions. Show all key intermediates and indicat4e electron flow using arrows. осн CH,OH, H H od osty 4 Hoe om o Et d. CH,OH,H", (F980, H H cat. CF,SO3H -Et H2SO4 heat . a n n-1 Et nucleophiles EtOHOEt