A practical sulfenylation of 2,5-diketopiperazines.
K C Nicolaou et al.
Angewandte Chemie (International ed. in English), 51(3), 728-732 (2011-12-14)
Florian M Koch et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(13), 3679-3692 (2011-03-03)
The first catalytic asymmetric synthesis of β-sultones is reported. This development has enabled a rapid access to a number of highly enantioenriched biologically interesting sulfonyl and sulfinyl compound classes, which makes use of the inherent ring strain of the four-membered...
Yi Li et al.
International journal of pharmaceutics, 415(1-2), 110-118 (2011-06-08)
The ability to detect and quantify polymorphism of pharmaceuticals is critically important in ensuring that the formulated product delivers the desired therapeutic properties because different polymorphic forms of a drug exhibit different solubilities, stabilities and bioavailabilities. The purpose of this...
Mehdi D Esrafili et al.
Journal of molecular graphics & modelling, 27(3), 326-331 (2008-07-08)
A density functional theory investigation was carried out to characterize (14)N electric field gradient tensors, EFG, in crystalline sulfamerazine and sulfathiazole. To include hydrogen-bonding effects in the calculations, the most probable interacting molecules with the target were considered as tetrameric...
Regioselective hydroxysulfenylation of alpha,beta-unsaturated imines: enhanced stability of an intermediate radical.
Masafumi Ueda et al.
Angewandte Chemie (International ed. in English), 47(30), 5600-5604 (2008-06-17)