Helmut Quast

Aziridinimines, Diaziridinimines, Diaziridinones, and Carbodiimides by Photolysis of 2‐Tetrazolines

Helmut Quast, Lothar W. Bieber · Angewandte Chemie International Edition in English · 1975 · 60 citations

Natural Sciences, Chemistry, Medicinal Chemistry +5

How Important Is Bishomoaromatic Stabilization in Determining the Relative Barrier Heights for the Degenerate Cope Rearrangements of Semibullvalene, Barbaralane, Bullvalene, and Dihydrobullvalene?

David A. Hrovat, Eric C. Brown, Richard Vaughan Williams et al. · The Journal of Organic Chemistry · 2005 · 49 citations

Natural Sciences, Chemistry, Computational Chemistry +12

The Equilibrium between Localized and Delocalized States of Thermochromic Semibullvalenes and Barbaralanes—Direct Observation of Transition States of Degenerate Cope Rearrangements

Helmut Quast, Maximilian Seefelder · Angewandte Chemie International Edition · 1999 · 45 citations

Natural Sciences, Chemistry, Physics +15

The Search for Bishomoaromatic Semibullvalenes and Barbaralanes:  Computational Evidence of Their Identification by UV/Vis and IR Spectroscopy and Prediction of the Existence of a <i>Blue</i> Bishomoaromatic Semibullvalene

Alan C. Goren, David A. Hrovat, Maximilian Seefelder et al. · Journal of the American Chemical Society · 2002 · 44 citations

Natural Sciences, Chemistry, Physics +17

1,2,3‐Tri‐<i>tert</i>‐butylphosphirane Oxide and Its Thermal Decomposition into (<i>Z</i>)‐2,2,5,5‐Tetramethyl‐3‐hexene and <i>tert</i>‐Butylphosphinidene Oxide

Helmut Quast, Manfred Heuschmann · Angewandte Chemie International Edition in English · 1978 · 44 citations

Natural Sciences, Chemistry, Organic Chemistry +7