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Organic Reactions Volume 4 - Sciencemadness Dot Org

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Addends<br />

l-ft~Propoxybutadiene <br />

1,1,4,4-Tetramethylbutadiene<br />

TABLE V—Continued<br />

THE DrELS-AiDER ADDITION OF ^-UNSATURATED CARBONYL COMPOUNDS<br />

Products<br />

Crotonaldehyde (Cont'd)<br />

Myrcene<br />

CH3^ ^,CHg<br />

COS,<br />

(See footnote 2) f<br />

a-Phellandrene<br />

<br />

P<br />

HC-CH<br />

i CH<br />

H3C<br />

2^<br />

^CH3<br />

OC H ^ ee ^ 00 ^ 310 * e ok<br />

2)<br />

(See footnote 2)<br />

2,2,5 ,5,6-Pentar nethyl-A<br />

hy irobenzakU<br />

s -tetraihyde<br />

Ratio of<br />

Diene<br />

to Dienophile<br />

0.5<br />

0.5<br />

0.5<br />

1.0<br />

Solvent<br />

—<br />

None<br />

None<br />

Temperature,<br />

0 C<br />

150t.<br />

100t.<br />

145-155t,<br />

180-200t,<br />

Time,<br />

hours<br />

2-4<br />

3<br />

48-72<br />

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

14&*144/<br />

12 mm.<br />

14&-144/<br />

18 mm.<br />

112-115/<br />

12 mm.<br />

86-88/<br />

12 mm.<br />

Yield,<br />

%<br />

—<br />

18<br />

—<br />

References<br />

*<br />

84<br />

84<br />

87<br />

5<br />

OO

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