Robinson Annulation 5 Try the mechanism again on your own. H3CO Base

Draw the arrow pushing mechanisms and product.

Draw the final organic product of the given reaction. OH CH3CH2NH2 heat H₂O + Select Draw Templates More C N H

3) Draw BOTH an alpha and beta pyranose for the sugar shown below after the ring reacton. H. %3D НО-С—Н HO-C-H НО -С—Н Н-С—ОН ČH2OH 4) Draw BOTH an alpha and beta pyranose for the sugar shown below after the ring reaction: CH2OH C=0 Н-С-ОН H-Ċ-OH Н-С-ОН ČH-OH

Draw step 4 of the mechanism. H₁₂C H3C- CH3 CH3 H- + -CH3 Edit Drawing

Draw the alkyne formed when 1,1-dichloro-3-methylbutane is treated with an excess of a strong base such as sodium amide. Omit byproducts. (Give the neutralized alkyne product, not the acetylide salt.) 9 excess NaNH, Draw the neutral product. Select Draw / || ||| C Rings More H Cl Erase