1) Predict the product and label the reaction as SN1, SN2, E1, E2 or neither a) HBr OH reflux OH PBr3 0 °C b) SOCI₂ OH f) K2Cr2O7 OH pyr. 이 d) PCC HO HI OH g) reflux OH OH CrO3 OH H2SO4 h) A

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Which is the expected product of this reaction 1.(O 2. H2O2, NaOH BH C6H5-C=C-H – CA) Снссн, %3D CH5CCH3 B) ОН CGH3CHCH3 %3D CGH3CH2CH ) CH;CH2CH2OH

6.

6). What is the major product of the following reactions? (A) -? coon 1). NaOH in ErOH, then H,O+ 2). 1 eqiv. NaOEt 3). 1 equiv. CH3Br 4). H₂O*, Heat COOB (Intramolecular Claison) COOE (B) CH₂ COOH (D) CH₂ (E) CH3 CH₂

Identify the correct first mechanism step and final product of the reaction shown. 1. ВНз, THF 2. Н2О2, ОН" mechanism step final product H-BH2 OH А. H-BH2 H-BH2 OH C. H-BH2 LBH2 D. OH B.

5. What is the major product of the following reaction? OH A) I B) || C) III D) all of the above E) none of the above H₂SO4 heat ||| LOSO3H

The following reaction can be carried out in two steps. Choose the correct reagents i) and ii) to perform the following reaction. CN i) 11) or Oi) CN; ii) heat Oi) CN ; ii) H₂O, acid catalyst O i) Br₂; ii) CN- O i) H₂O, acid catalyst; ii) CN O i) HBr; ii) CN

Draw the products of each reaction. NH3 [1] NH,CI, NaCN a. BrCH,COOH Тarge excess c. CH,CH,CH(CH,)CHO [2] H30* H [1] NaOEt [1) N2OE! b. CH;CONH--cOOEt ČOOEt [2] (CH3),CHCI [3] H3O*, A d. CH;CONH-C-cOOEt cOOEt [2] BRCH,CO,Et [3] H3O*, A

Identify the major product of the following reaction sequence. 1) [H*], H₂NNH2, (-H₂O) 2) KOH/H₂O, heat HO₂C HO₂C HO CO,H OH OH There is no reaction under these conditions or the correct product is not listed here.