A facile one-pot synthesis of functionalized N-hydroxypyrrole mediated by vinyl-triphenylphosphonium salt
1998•sid.ir
Protonation of rite reactive intermediates generated in the reaction between dialkyl
acetylenedicarboxylates and triphenylphosphine by isonitroso-acetophenone leads to
vinyltriphenylphosphonium salts, which undergo intramolecular Wittig reaction to product
dialkyl 4-phenyl-N-hydroxypyrrole-2, 3-dicarboxylates irt moderate yields.
acetylenedicarboxylates and triphenylphosphine by isonitroso-acetophenone leads to
vinyltriphenylphosphonium salts, which undergo intramolecular Wittig reaction to product
dialkyl 4-phenyl-N-hydroxypyrrole-2, 3-dicarboxylates irt moderate yields.
Abstract
Protonation of rite reactive intermediates generated in the reaction between dialkyl acetylenedicarboxylates and triphenylphosphine by isonitroso-acetophenone leads to vinyltriphenylphosphonium salts, which undergo intramolecular Wittig reaction to product dialkyl 4-phenyl-N-hydroxypyrrole-2, 3-dicarboxylates irt moderate yields.
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