Chapter 1, Problem 1.43E

10. The main product of the following reaction is [1.1:4',1"-terphenyl]-2'-yl(1h-pyrazol-4- yl)methanone Ph N-H Ph

Draw the Fischer projection for a D-aldo-pentose. (aldehyde pentose). How many total stereoisomers are there? Name the sugar you drew. Draw the Fischer projection for a L-keto-hexose. (ketone pentose). How many total stereoisomers are there? Draw the enantiomer.

Draw a structure using wedges and dashes for the following compound: H- Et OH HO- H H- Me OH

Which of the following molecules are NOT typical carbohydrates? For the molecules that are carbohydrates, label them as an aldose or ketose. HO Он ОН ОН Он ОН но ΤΗ HO ОН HO eve Он он ОН ОН ОН If polyethylene has an average molecular weight of 25,000 g/mol, how many repeat units are present?

Draw the a-anomer cyclized pyranose Haworth projection of the below hexose. Circle the anomeric carbons. Number the carbons on the Fischer and Haworth projections. Assign R and S for each chiral center. HO CHO -H HO -H H- -OH H -OH CH₂OH Draw the ẞ-anomer cyclized furanose Haworth projection for the below hexose. Circle the anomeric carbons. Number the carbons on the Fischer and Haworth projections. HO CHO -H H -OH HO -H H -OH CH₂OH

Name the below disaccharide. Circle any hemiacetals. Identify the numbering of glycosidic linkage, and identify it as a or ẞ. OH HO HO OH HO HO HO OH

What are the monomers used to make the following polymers? F. а. b. с. d. Вецер хочому な

1. Propose a reasonable mechanism for the following transformation. I'm looking for curved mechanistic arrows and appropriate formal charges on intermediates. OMe MeO OMe Me2N NMe2 OTBS OH xylenes OMe 'OTBS

What is the polymer made from the following monomers? What type of polymerization is used for each? а. ОН H2N но b. ن -NH2 d. H₂N NH2 дов