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This cycloaddition reaction involves sixteen electrons; hence, it must be suprafacial on one component and antarafacial on the other. Thus, it must be a [14s + 2a] or a [14a + 2s] cycloaddition. The heptafulvene molecule is large enough that its p-electron system can twist without introducing too much strain or without losing too much p-electron overlap; hence, the cycloaddition is a [14a + 2s] process. In either case, the product has the following stereochemistry:
How many spyro moleculesr are there Ans) n numbers
acid radical
why is NH4CL ADDED BEFOR NH4OH
Although fractose does not have an aldehydic group, it reacts with Fehling solution Explain why? Ans) Fructose is a ketone first we cnvert it into aldehyde by reacting fructse
How do you mean by chemistry?
classes of azo dyes\
atomic structure
Q. Describe Subatomic Particles and the Nuclear Atom? One of the most significant results of Dalton's theory was that it generally persuaded scientists that atoms exist. As a r
WHAT IS THE CHEMICAL EQUATION FOR LITHIUM SOLUTION WHEN AMMONIUM FLUORIDE AND AMMONIA ARE ADDED
formula of lactic acid
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