Write the MAJOR product(s) of the following reactions: H2C: ECH- EN + а. OH c=0 H3C-CH=CH FCH= CH FCH3 + H. b. H3C

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What is the structure of the product Z in the following reaction? 4 BUT-1-YNE OA OB. OC. NINH, CH3-CH2- X OH OH CH₁ H CH3-CH₂-C=C—C—H -CH₂-CH3 OH CH3 CH3-CH₂-C FC H CH₂ Y H₂O 2

What is the major product for the following reaction? D A ΘΝ NH₂ 1. CH31 (XS) 2. Ag₂O, H₂O heat B C D

3). What is the product obtained from the following reaction? O I. II. III. d_0_CH₂ 용_ -CH3 OH 18 -O-CH3 olan 18 + CH3OH 18 + H₂O 18 + H₂O 18 + H₂O ✪ H IV. V. ? 18 Olio 18 CH3 18 C-O-CH3 + H₂O 18 + H₂O

Which is expected to be the major product for the following reaction: Br₂. FeBr H3C Br H.C H₂C H₂C BrH2C

12. Give the starting materials or products (whatever is missing) for the following reactions: a. CH3C(CH2)3CCH3 b. 12 b. || NaOH(aq) heat OH- heat H2/Pd-C CH3CH2CH2CHCHO CH3 A Grignard reagent that is a key intermediate in the industrial synthesis of vitamin A can be prepared in the following way: 1. liq NH3 H3O+ 2 C2H5MgBr A (CHO) B HO C (C6H6Mg2Br₂O) Li 2. NH

The mechanism of this reaction involves two carbocation intermediates, A and B. ∞ OH Part 1 of 2 Draw the structure of A. KHSO H₂O A rearrangement. B heat

the product for the following reaction:

14. H,SO, CH,=CH-CH,CH; + H,0: What is the major product of the reaction above? OH a. CH3-CH-CH,CH; OH b.T CH2-CH2-CH2CH3 ОН C. CH2-C-CH2CH3 OH d. CH=CH-CH2CH3