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Organic Reactions Volume 4 - Sciencemadness Dot Org

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Addends Products<br />

Cinnamic acid,3,4^<br />

dimethoxy-<br />

2,3-Dimethylbutadiene <br />

2,3-Dimethylbutadiene<br />

c<br />

Cinnamic acid,2,6tdimethoxy-4r-namyl<br />

Isoprene<br />

TABLE V—Continued<br />

THE DIELS-ALDER ADDITION OF ^-UNSATURATED CABBONTL COMPOUNDS<br />

laOr^^J<br />

I3OkJl CO,<br />

CH3<<br />

CH3<<br />

CH3<br />

CO2H<br />

(See footnote 22) f<br />

CH3<br />

r^NcHs<br />

CH3O^V-INJ<br />

CH3oLJ CO2C2H5<br />

Ratio of<br />

Diene<br />

to Dienophile<br />

Solvent<br />

Temperature,<br />

0 C<br />

Time,<br />

hours<br />

B.P.orM.P. Yield,<br />

%<br />

4.0 Xylene 185t, 133-134i 43<br />

References<br />

*<br />

96<br />

17<br />

O<br />

j—i<br />

O<br />

><br />

O<br />

H<br />

H-I<br />

O

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