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Organic Reactions Volume 4 - Sciencemadness Dot Org

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Addends<br />

Phenylacetylene<br />

Tetraphenylcyclopentadienone<br />

Phenylbenzoylacetylene<br />

Tetraphenylcyclopentadienone<br />

Phenylpropiolic acid<br />

TetraphenylcyclopentadienoneTetraphenylcyclopentadienone<br />

B<br />

Phenylpropiolic aldehyde<br />

Tetraphenylcyclopentadienone<br />

Phenylpropiolic nitrile<br />

Tetraphenylcyclopentadienone<br />

TABLE IX—Continued<br />

THE DLELS-ALDEE, ADDITION OF ACETYLENIC DIENOPHILES WITH ACYCLIC AND CARBOCYCLIC DLENES<br />

Products<br />

Pentaphenylbenzene (See footnote<br />

25) t<br />

CQB.5<br />

H5C6J*^ C6H5<br />

CsHg<br />

(See footnote 25)<br />

Pentaphenylbenzoic acid<br />

(See footnote 25)<br />

Methyl pentaphenylbenzoate<br />

(See footnote 25)<br />

Pentaphenylbenzaldehyde<br />

(See footnote 25)<br />

Pentaphenylbenzonitrile<br />

(See footnote 25)<br />

Ratio of<br />

Diene<br />

to Dienophile<br />

—<br />

0.54<br />

1.0<br />

1.0<br />

—<br />

—<br />

Solvent<br />

None<br />

None<br />

None<br />

None<br />

—<br />

None<br />

Temperature,<br />

0 C<br />

—<br />

195<br />

190<br />

190<br />

—<br />

—<br />

Time,<br />

hours<br />

—<br />

0.16<br />

1<br />

0.5<br />

—<br />

—<br />

B.P. or<br />

M.P.<br />

246-247<br />

340-3411<br />

345<br />

342<br />

—<br />

271-272<br />

Yield,<br />

%<br />

—<br />

92<br />

—<br />

100<br />

—<br />

—<br />

References<br />

*<br />

43<br />

48<br />

43<br />

44<br />

44<br />

43<br />

43<br />

O<br />

O<br />

><br />

O<br />

TJl

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