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Which Diels Alder reaction will go best (fastest, best yield, lowest temperature)? CH₂ CH2 CH2 CH2 + CH2 CH3 CH3 + CH3 CH2 + C N N FCH2 bottom reaction middle reaction top reaction Consider this reaction which we have never studied: H CH.3 Ph₂CLi CH3 CH3 H T= 78°C 10% T = +25°C 90% A 90% 10% B When the reaction was run at -78°, the products were 10% first compound (A), 90% second compound (B). When the reaction was run at 25°, the products were 90 % first compound (A), 10% second compound (B). What can we say about A? A is the kinetic product and is formed fastest. A is the thermodynamic product and is most stable. OA is the thermodynamic product and is formed fastest. A is the kinetic product and is most stable.

Which Diels Alder reaction will go best (fastest, best yield, lowest temperature)? CH₂ CH2 CH2 CH2 + CH2 CH3 CH3 + CH3 CH2 + C N N FCH2 bottom reaction middle reaction top reaction Consider this reaction which we have never studied: H CH.3 Ph₂CLi CH3 CH3 H T= 78°C 10% T = +25°C 90% A 90% 10% B When the reaction was run at -78°, the products were 10% first compound (A), 90% second compound (B). When the reaction was run at 25°, the products were 90 % first compound (A), 10% second compound (B). What can we say about A? A is the kinetic product and is formed fastest. A is the thermodynamic product and is most stable. OA is the thermodynamic product and is formed fastest. A is the kinetic product and is most stable.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Which Diels Alder reaction will go best (fastest, best yield, lowest temperature)? CH₂ CH2 CH2 CH2 + CH2 CH3 CH3 + CH3 CH2 + C N N FCH2 bottom reaction middle reaction top reaction
Transcribed Image Text:Which Diels Alder reaction will go best (fastest, best yield, lowest temperature)? CH₂ CH2 CH2 CH2 + CH2 CH3 CH3 + CH3 CH2 + C N N FCH2 bottom reaction middle reaction top reaction
Consider this reaction which we have never studied: H CH.3 Ph₂CLi CH3 CH3 H T= 78°C 10% T = +25°C 90% A 90% 10% B When the reaction was run at -78°, the products were 10% first compound (A), 90% second compound (B). When the reaction was run at 25°, the products were 90 % first compound (A), 10% second compound (B). What can we say about A? A is the kinetic product and is formed fastest. A is the thermodynamic product and is most stable. OA is the thermodynamic product and is formed fastest. A is the kinetic product and is most stable.
Transcribed Image Text:Consider this reaction which we have never studied: H CH.3 Ph₂CLi CH3 CH3 H T= 78°C 10% T = +25°C 90% A 90% 10% B When the reaction was run at -78°, the products were 10% first compound (A), 90% second compound (B). When the reaction was run at 25°, the products were 90 % first compound (A), 10% second compound (B). What can we say about A? A is the kinetic product and is formed fastest. A is the thermodynamic product and is most stable. OA is the thermodynamic product and is formed fastest. A is the kinetic product and is most stable.
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