Solid-phase synthesis of 3-amino-2-pyrazolines

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  • Lars O. Lyngsø
  • John Nielsen

The development of a solid-phase synthesis of 3-amino-2-pyrazolines is described. Conjugate addition of hydrazines to α,β-unsaturated nitriles followed by cyclization yields 3-amino-2-pyrazolines. Acylation or sulfonation of the free amino-group yields a 24 member library of 3-amino-2- pyrazolines.

Original languageEnglish
JournalTetrahedron Letters
Volume39
Issue number32
Pages (from-to)5845-5848
Number of pages4
ISSN0040-4039
DOIs
Publication statusPublished - 6 Aug 1998

ID: 131118211