Palladium-catalyzed allylation of pyrimidine-2,4-diones (uracils) and of 6-membered heterocyclic ambident sulfur nucleophiles

DOI: 10.1016/S0040-4020(01)90197-8

Source and publish data:

Tetrahedron p. 1457 - 1464 (1993)

Update date:2022-07-30

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Authors:

Moreno-Manas

Pleixats

Villarroya

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Article abstract of DOI:10.1016/S0040-4020(01)90197-8

Pd(O)-Catalyzed allylation of six-membered ambident heterocycles bearing NH-CO, NH-CS and CH₂-CO moieties obey the regioselectivity rules: C>O; N>O; S>N; NH-CO>NH-CS. Uracil and 5-methyluracil (thymine) do not show regioselectivity (N-1 = N-3) whereas 6-methyluracil is regioselectively allylated at N-3 (N-3>N-1).

Full text of DOI:10.1016/S0040-4020(01)90197-8

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