1′,3′,3′-Trimethyl-6-nitrospiro[2H-1-benzopyran-2,2′-indoline]: its thermal enantiomerization and the equilibration with its merocyanine

Super High Throughput Screening (SHTS) of Chiral Ligands and Activators: Asymmetric Activation of Chiral Diol-Zinc Catalysts by Chiral Nitrogen Activators for the Enantioselective Addition of Diethylzinc to Aldehydes

Kuiling Ding, Akihiro Ishii, Köichi Mikami · Angewandte Chemie International Edition · 1999 · 221 citations

Natural Sciences, Chemistry, Catalysis +13

Photo- and thermochromic transients from substituted 1',3',3'-trimethylindolinobenzospiropyrans

J. B. Flannery · Journal of the American Chemical Society · 1968 · 220 citations

Natural Sciences, Chemistry, Analytical Chemistry +4

Photochromic Spiropyrans. I. The Effect of Substituents on the Rate of Ring Closure

Elliot Berman, Richard E. Fox, Francis D. Thomson · Journal of the American Chemical Society · 1959 · 123 citations

Natural Sciences, Chemistry, Medicinal Chemistry +11

Thermo- and photochromic dyes: indolino-benzospiropyrans. Part 1. UV–VIS spectroscopic studies of 1,3,3-spiro(2<i>H</i>-1-benzopyran-2,2′-indolines) and the open-chain merocyanine forms; solvatochromism and medium effects on spiro ring formation

Sam‐Rok Keum, Mun-Suk Hur, Peter M. Kazmaier et al. · Canadian Journal of Chemistry · 1991 · 110 citations

Natural Sciences, Chemistry, Organic Chemistry +15

Proton exchange and isomerisation reactions of photochromic and reverse photochromic spiro-pyrans and their merocyanine forms

Jonathan Hobley, V. Malatesta, Roberto Millini et al. · Physical Chemistry Chemical Physics · 1999 · 107 citations

Natural Sciences, Biochemistry, Chemistry +14