Draw the major organic product of the following reaction: OH HBr
Rotating around the selected bond select the gauche conformation. Br OH Br Br Br HBr OH Br கதம் -OH H FH H H HOT H OH OH C A D E OD DA OE
complete the following reactions with the proper stereochemistry as need оCHbb H2SO4 (dilute) OH H2O HBr (conc) но H но heat но но H CHs MCPBA OH Jones (CrO3. H,SO4) H2O, acetone 1. MCPBA OH PCC 2. NaCN 3. Hy0 pyridinium chlorochromate CH2CI2, 25 C 1. MCPBA PCC OH pyridinium chlorochromate 2. HBr Cн-Cl, 25 C NaBH OH Hао 1. DMSO, (COCI)2, -60C 1. LIAIH 2. Et N 2. H,0 оCHbb H2SO4 (dilute) OH H2O HBr (conc) но H но...
13-15 one. mole HBr . BrCI Iy Cold Lmn0t OH
Draw the major organic product of the reaction shown below. OH + HBr - rogress
Predict the products. 1. TsCl, pyridine SNa OH NaH HBr 2 eq, 0 °C H2SO4 CH3 heat HBr heat 1. PBr3, Et20 2. NaCN NaH OH HBr 0 °C CH3 H2SO4 heat
What is the AH° for the reaction in kcal/mole? CH3 H2C- C-OH + HBr – - H3C—¢-Br + H2O CH3 BDE in kcal/mole H-Br = 87.6 3° C-Br = 63 3° C-OH = 92 H-OH = 119
Propose a mechanism for this reaction. OH + Brz ~ CH2Br + HBr 4-Penten-1-ol
Structural formulas of main products, please. Brz H, C o -OH HBr
The product(s) of the following reaction 1 equiv. HBr heat OH ОН HC