Example Identify all possible structural and stereoisomers that can result from the addition polymerization of (a) butadiene (b) chloroprene HHHH HCI H H C-C=C C=C-C=C H H H (a) (b)

Consider the reaction between (1S,3S)‑1‑chloro‑3‑methylcyclopentane and methanethiol in the presence of sodium hydroxide. (a) Draw the organic product and clearly indicate stereochemistry by showing the hydrogen on the chirality centers and using wedge and dash bonds. (b) Then analyze the stereochemistry of the product. racemic chiral achiral (1R, 3S) (1R, 3R) (1S, 3S)

Please don't provide handwritten solution....

Name the following alkynes: (а) CH3 CH3 (b) CH3 CH3CHC=CCHCH3 HC=CCCH3 ČH3 (c) CH3 (d) CH3 CH3 CH3CH2CC=CCH2CH2CH3 CH3CH2CC=CCHCH3 CH3 CH3

5:51 Draw examples of the following: (a) A meso compound with the formula C8H18 (b) A meso compound with the formula C9H20 (c) A compound with two chirality centers, one R and the other S

5. (X)C,H¬OC1- NH3 →C¢H„ON- Br2 →CH3CH2CH2NH2; Compound (X) i : КОН CH3 (b) CH3 (a) (c) -HO- (d) cl- CHO Cl

Give IUPAC names for the following compounds: (a) H3C CH3 (b) CH3 H2C=CHCHCCH3 CH3CH2CH=ĊCH2CH3 ČH3 (c) CH3 CH3 (d) CH3CHCH2CH3 CH3CH=CHCHCH=CHCHCH3 CH3CH2CH2CH=CHČHCH2CH3

S: What compound is 5-cyclopentyl-2- methylhexanal? (A) (B) (C) (D) 티 Ele H a H H H H

Using Newman projections, draw each of the following molecules it most stable staggered, least stable staggered, least stable eclipse and most stable eclipse conformations with respect to the bond indicated:(a) 4-ethyl-3-methylheptane, C3-C4(b) 4-isoproply-2,4,5-trimethylheptane, C4-C5(c) 6-isopropyl-2,5-dimethylnonane, C5-C6

5. What is the correct stereochemical description of the relationship between this pair of compounds? (A) (C) identical enantiomers ++ HO HO H constitutional isomers diastereomers HO НО. H (B) (D) H H