Richard W. Fengl

3-Stannylcyclobutenediones as nucleophilic cyclobutenedione equivalents. Synthesis of substituted cyclobutenediones and cyclobutenedione monoacetals and the beneficial effect of catalytic copper iodide on the Stille reaction

Lanny S. Liebeskind, Richard W. Fengl · The Journal of Organic Chemistry · 1990 · 304 citations

Stille Reaction, Chemical Engineering, Novel Organocatalysts +11

Transformations of chiral iron complexes used in organic synthesis. Reactions of .eta.5-CpFe(PPh3)(CO)COCH3 and related species leading to a mild, stereospecific synthesis of .beta.-lactams

Lanny S. Liebeskind, Mark E. Welker, Richard W. Fengl · Journal of the American Chemical Society · 1986 · 133 citations

Stereospecific Synthesis, Biochemistry, Natural Sciences +9

An improved method for the synthesis of substituted cyclobutenediones

Lanny S. Liebeskind, Richard W. Fengl, Kevin R. Wirtz et al. · The Journal of Organic Chemistry · 1988 · 120 citations

Derivative (Chemistry), Improved Method, Donut Icon +7

The preparation of phenacylpyrazoles, acylpyrazoles, imidazolylisoxazoles and imidazolylpyrazoles from c(α)‐dianions of oximes, phenylhydrazones and acylhydrazones

Ann M. Huff, Howard L. Hall, Melanie J. Smith et al. · Journal of Heterocyclic Chemistry · 1985 · 24 citations

Heterocyclic, Abstract C, Natural Sciences +10

A practical synthes of α,β-unstaurated iron acyls. Chiral enoate synthesis.

Lanny S. Liebeskind, Richard W. Fengl, Mark E. Welker · Tetrahedron Letters · 1985 · 24 citations

Organic Chemistry, Practical Synthes, Chemistry +3