Orgo Post Lab 10

The Diels-Alder reaction is not limited to making six-membered rings with only carbon atoms. Predict the products of the following reaction  that produce rings with atoms other than carbon in them.

Draw the structure of the product of the Diels-Alder reaction below. H3C CH3 O || O || + CH3OC-CEC-COCH3

70 ins210 V16225050 panx qalborgo 3) In a recently-published synthesis of yohimbine (used in folk medicine as an aphrodisiac), the Diels-Alder reaction was used to form a new ring during a key step. R OtBu Diels-Alder a. Draw a circle around the four atoms of the diene group in this molecule. b. Draw a square around the two atoms of the best dienophile group in this molecule. c. Draw the product of this reaction, ignoring stereochemistry.

Uemura and coworkers studied a time dependent Diels-Alder reaction which first formed the endo product as the major organic product and with time produced the exo product (J. Org. Chem. 2018, 83, 9300−9304). Show the endo and exo product for the reaction below. Which is the thermodynamic product and which is the kinetic product? Explain your reasoning.

The Diels-Alder reaction is not limited to making six-membered rings with only carbon atoms. Predict the products of the following reaction  that produce rings with atoms other than carbon in them.

• -- H (b) H,C 3-methylhexane CH, (c) B கூ CH, CH, HgCG; சீகூ H₂CH H 3-ethyl-1-methyloctane 3,3 diethyl pentane 5Å, Å,CH, W CH3 CH2 CH₂ W21 Su2... CH3 X -CH3 G b F E L c

Draw a structural formula for the product of this Diels-Alder reaction, including all stereoisomers of the product

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Determine the starting materials to form the following Diels-Alder products: 4 COOH OCH₂ OCH₂ CH₂ CN & CN CH₂

4B1 Write the possible reactants that gave the following products in the Diels-Alder reaction oso

4B2 Write the possible reactants that gave the following products in the Diels-Alder reaction -H O OEt

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For our Diels-Alder Reaction lab, they asked to provide heat to the structures and I'm a little unsure of what the products will look like, if you can help, please?

How do we carry out a Diels-Adler reaction in the bottom problem?

GO3 ce Br - HzO 58) , &o4 NH2 (CHz), 4 - H20 59 HOCCHZ) 4 애 6) HoE (CH), čoH ex ces

Deducing the reactants of a Diels-Alder reaction Can the molecule on the right-hand side of this organic reaction be made in good yield from no more than two reactants, in one step, by moderately heating the reactants? O • If your answer is yes, then draw the reactant or reactants in the drawing area below. You can draw the reactants in any arrangement you like. 2 dla

The boiling point of methylcyclohexane (C7H14, MW 98.2) is 101°C. The boiling point of perfluoromethylcyclohexane (C7F14, MW 350) is 76°C. Account for the fact that although the molecular weight of perfluoromethylcyclohexane is over three times that of methylcyclohexane, its boiling point is lower than that of methylcyclohexane.

Chemistry

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Conjugated Pi Systems Predicting the products of simple Diels-Alder reactions Predict the major products of the following organic reaction: + ་ Δ ? Some important notes: • Draw the major product, or products, of the reaction in the drawing area below. • If there aren't any products, because no reaction will take place, check the box below the drawing area instead. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers.