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
A solid sample of Zn(OH)2 is added to 0.350L of 0.540M aqueous HBr. The solution that remains is still acidic. It is then titrated with 0.540M NaOH solution, and it takes 92.5mL of the NaOH solution to reach the equivalence point. What mass of Zn(OH)2 was added to the HBr solution?
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