20. Predict the compound from the spectral data given. C9H10O2: 13C NMR, δ 18.06 (quartet), 45.40 (d
6. The aldol cyclization, followed by dehydration of 5-oxo-hexanal will give which product below.(A)
22. Which of the following Newman projection represents the most stable trans-1,2-dimethylcyclohexan
9. Which of the following reaction sequences would convert 2-butanol into 2-deuterobutane?(A) 1. H2S
13. Which one of the following compounds is NOT a product of reaction between 1,3-butadiene and HBr?
25. Disulfide linkages in proteins come from between:(A) two methionine residues (B) two cysteine re