Question

QUESTION 18 Predict the major organic product of the following reaction. excess CH OH H2SO4 a.) b.) e.) HO OCH OH H2CO OCH OH OH ОСН; QUESTION 19 The appearance of the proton NMR for the following compound is best described in what way? ci CICH CHCI aan upfield singlet and a downfield triplet ban upfield doublet and a downfield triplet an upfield triplet and a downfield singlet an upfield triplet and a downfield doublet an upfield singlet and a downfield doublet

Answer 1

solution: 18) na excess crot chocta 4₂504 * Protection of cortonyl group Hence, option & is correct. Acetal LCH this lose the chal, (down field, tiplet) doublet the appearance of the proton NMR for compound is best described by 5. an upfield doublet and a docenfield triplet. Hence, option & is correct.