Michael adducts of (substituted) cyclopentadiene and esters: a p

Details Michael adducts of (substituted) cyclopentadiene and esters: a p Michael adducts of (substituted) cyclopentadiene and esters: a p

1977-05-09

1978-11-28

Padgett, Benjamin R.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

260861, 560122, 560117, C07C 6954, C08L 6706

Patent

active

041274970

ABSTRACT:
High yields of the title adducts are obtained from an essentially salt-free process comprising contacting at subambient temperature cyclopentadiene or a substituted cyclopentadiene with an aliphatic or an inertly-substituted aliphatic ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, such as methyl acrylate, in the presence of a catalytic amount of base, such as tri-n-butylmethylammonium hydroxide. A novel class of Diels-Alder adducts are readily obtained by warming these Michael adducts; polyester compositions comprising the Diels-Alder adducts demonstrate good physical properties.

REFERENCES:
bruson, J. Am. Chem. Soc., 64, pp. 2457-2461, (1942).
Taylor, J. Org. Chem. 6, pp. 690-695, (1941).
Borgmann, "Organic Reactions," vol. 10, pp. 179-186, 203-205, 264-266, 542-544.

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