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Organic Reactions Volume 4 - Sciencemadness Dot Org

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Addends<br />

Cinnamic acid,ohydroxy-(trans)2,3-Dimethylbutadiene<br />

Cinnamic acid,omethoxy-(cis)<br />

Butadiene<br />

2,3-Dimethylbutadiene<br />

CH,<br />

H3C f^^<br />

TABLE V—Continued<br />

THE DIELS-ALDEE, ADDITION OF C^-UNSATURATED CARBONYL COMPOUNDS<br />

LJ CO2H<br />

.(T^S OCH,<br />

CH,<br />

1 VNJCO2H<br />

ffl 0CHs<br />

Products<br />

Ratio of<br />

Diene<br />

to Dienophile<br />

3.0<br />

1 +<br />

1.8<br />

Solvent<br />

Xylene<br />

Xylene<br />

Xylene<br />

Temperature,<br />

0 C<br />

186t.<br />

170t.<br />

Time,<br />

hours<br />

40<br />

28<br />

B.R or M.P.<br />

181-181.5 1 I<br />

191 1 - 21<br />

Yield,<br />

%<br />

4<br />

0<br />

48<br />

References<br />

*<br />

16<br />

16<br />

16<br />

O<br />

O<br />

><br />

O<br />

02

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