Which of the following mechanisms for the formation of the most stable imine is correct?
Which of the following mechanisms for the formation of the most stable imine is correct? Which...
QUESTION 14 Which of the following mechanisms for the formation of the most stable imine is correct? H2NER H2NER A 16 іон, HUR R-NH2 CN Ph H-O: -CH3 Ph NH R Ph CH3 CH3 : ОН -CH3 Ph UNH R H H2N-R Ph -CH3 CNH Ph CH3 Ph CH3 H2N-R HN=R H₂NER B +H R-NH2 N : OH -CHE Ph Hö -CH3 Ph1 NH R OH CH3 Ph NH Ph CH3 Ph CH3 Ph CH3 Ph CH3 H H2N-R H2N-R...
Which of the following mechanisms for the formation of the most stable imine is correct? H2NER HƏN=R A H R R Hö: CH3 COM2 R-NH2 XCH₃ Ph CH3 Ph CH3 Ph OH -СН3 +NJH R H H2N-R Ph Ph NH (ΝΗ Ph CH3 Ph CH3 R H2N-R HNER H2NER B Н. R H-Ö: -CH3 OH2 : OH CH3 Ph +N-H R-NH2 Ph CH3 Ph CH3 Ph Ph -CH3 (NH NH Ph CH3 Ph CH3 RH R H2N-R H2N-R HN-R H2N-R...
QUESTION 14 Which of the following mechanisms for the formation of the most stable imine is correct? HÆNER HNER А R H-0. R-NH --- PhCH Ph Ph Patch Ph CH, "CH PH CH, NH NH RH R HN-R HN-R HNER HANZA B -CH R-NH2 Ph Ph PH PACH Ph Ph Ph CH CH MY RH HN-R HN-R HNR HON-R c OH HO R-NH2 Ph Ph Ph CH Pt-CH Ph CH, Ph CH NH R R HN-R HN-R MNR HNER D...
Draw the arrows for the mechanism in formation of the imine. Мар А. + H+ Hö: NH + CHỊCH,NH, → HT HO H AMINOL IMINE click to edit H H. . H Step Step H i ☺ :0: NH₂ -H H1 One H Two HT 1. Step 3. H. H Н. Step Step ㅈ ΝΗ :0: H1 NH HT Five Four H1 H1 H Step 6 .t- Previous Give Up & View Solution Check Answer Next Exit » Hint Draw...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
having trouble with R and S configuration, can someone help out with this sheet? 17 Br>Cl'7 S"7 F>ONTO77i77 H 1. Determine the configuration (R or S) of each of the following molecules: (Ph phenyl, a benzene ring as a group) CH-CH3 b. CHs с. но NH2 d. он COOH Ph H Hас CH2CH3 H2N CH&CH NH2 NH2 f. Ph CH3 Ph CHs h. H i. OH c lCOOH н.сн,с F Н.с NH2 h. COOH CHs CH2CH H2N 2. Label the...
Open Question Point 10 HUST-Orgehem Discussion It was observed that imine and enamine formation are slow at both high pH and low pH but reach a maximum rate at a weekly acidic pH around 4 to 5. Explain. Reaction rate 1 2 3 4 5 6 7 8 pH pH dependence of imine and enamine formation Answer 19 Multiple Choice (multiple) Point 1 HUST-Orgehem Which of the following compounds can undergo the aldol self-condensation? A CH3CHCHCH CH,CHCH,ền B CH3 с...
e phone Propose mechanisms for the following reactions t h roug h radi o od osmans (a) Ph-C-ci + (CH) CHOH - Ph-C-OCH(CH3)2 (b) Ph-C-OCH, NaOH Ph-C-0- + CH,OH HO $ 135 1o slona CH3 OAc - он (D) CH -CH-CH.CH, (R)-butan-2-ol Ac, Tacetic anhydride) CH, CH-CH,CH, 2-butyl acetate
Map at assify these structures as hemiacetal, hemiketal, acetal, ketal, or other. Each structure needs to go int a box, and they will shrink to fit as needed when you put more than one in a box. Jasperse: Read the hint before you start, because I didn't emphasize the distinction between hemiacetals and hemiketals, or between acetals and ketals. Hemiacetal Hemiketal Acetal Ketal Other ОН OCH3 CH3COCH3 CH2CH3 O II CH3COCH3 OH CH3 | CH3CHOCHZ OCH3 CH3 H3COH H3C CH3...
5) Which of the following is the most stable carbocation (circle one)? CН C—CH, IV I. CH—С-СH СHз CHCH-8 П. CH3 -СH -CH3 V. CHз—C Ш. 6) Which of the following is the most stable diene (circlde one)? IV I. V. П. Ш.