CH3 H2SO4 н,с. OH сH, 2. OTs SH NaSH н, с сH, OTs No reaction H,с. Cн, o CH3 HBr Br HO H,с CH Provide the reagents nece...
Question 5 Provide the reagents necessary to carry out the following conversion. HO 1. HOCH CH,OH/H2SO4 2. CH3CH2MB (2 e) 3. H,00 1. HOCH2CH2OH/H2SO4 2. LAIN 3. CH CH MgBr (2 ea) 1. H2SO4 2. CH3CH2OH 3. H2O Provide the reagents necessary for the following conversion. Br o 1. NaBH,/CH2OH, 2. CH3CH2MgBr CH3CH2MgBr/ether 1. H307 2. CH3CH2MgBr/ether 1. CH3CH2MgBr/ether, 2. Hz0+, A
Provide the multistep synthesis for the following reaction. Include reagents: он сн, сH, .CH CH Н.С Н, с
3) Which of the following compounds is chiral? A) H Н-С-н н B) H HO C-OH Н C) CH3 HO-C-H Cl D) Br Н-С-ОН н E) C Br- C-C Br 4) In the L- isomer of a Fischer projection of a monosaccharide, the -OH group furthest from the carbonyl is written A) on the left of the top chiral carbon B) on the right of the top chiral carbon C) on the left of the middle chiral carbon D) on...
What is the product of each reaction? Br. Br н OH, HSO, (cat.) но н CHNH, cat HA (1) HCN (2) LIAIH (3) H,0 н Bаза BrсH-CH-CH-CH-Oн HBr -15 °С Cl2 МеОн HBr (еxces) HCl Нзс-СH—СCH- Hас н NaOCH3 Ph Ph CHЗОН Br NaOCH3 Hас Hас CHОH
но (CH,),CHBr (CH),CH-OH (е) но (CHJ,СB (CH),C-Он acetone - сн,сH,осH,сн, + Br CH,CH,O' + CH,сH, Br аcctone Br CH,CH,SCH,CH, + CH,CH,S + CH,сң, Br (CH),СBr + кон + KBr (CH],COн ab (CH),CBr + H,о + HBr (CH,),COH CH,OH (CH,),CH-OCH, (CH,),CHBr (h) сHOн (CH),C-ОCH, (CH,),CBr HS Br Br SH +HS +Br SH Br
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...
11. Indicate the order of stability CH н сн. Br CH сH, На н н. Br H H н н" Br н H н н н' Br н A В C D 12. Which of the following structures does NOT have tetrahedral geometry around any of its central central atoms. Use resonance to help explain A. В. с. D. = NH2 13. Is it theoretically possible to separate the pair of compounds below by distillation? Explain briefly CH CHs Br...
Provide the product for the following reaction І. Br HOCH,CH,OH Mg/ether H2SO, Н,0° 2. H,0 но он ОН он IV он у Predict the product of the following synthesis. 1. Br2, H20 2. NaOH, HO 3. CH2OH, H+ OCH, н,со OCH, A B с OCH OCH OCH, D E Predict the product for the following reaction. OH Acid Catalyst + 25 °C O А D с B
describe each as Sn1, Sn2, E1 and E2 then draw a curved arrow mechanism for each reaction. NaSH DMSO SH KOH HO DMSO Br NANH NH3 OTs NH TsO TsO CHs CH3 Nal CH3 acetone CH O O
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The reaction rate will decrease. Give the...