Abstract Sensitive and reliable analysis of alkylphosphonic acids (APAs) 2-( N,N- dialkylamino)ethanesulfonic (SAs), the degradation products chemical warfare agents (CWAs), is one most important tasks for verification Chemical Weapons Convention (CWC). Unambiguous identification these chemicals required in a variety environmental matrices, including soil water. These with low volatility are ve...

The first synthesis of hydroxy-iso-evoninic acid (2), a pyridyl diacid found as a macrodilactone bridging ligand in bioactive Celastraceae sesquiterpenoid-based natural products, has been achieved in 9 steps and an overall yield of 26%. The synthesis utilizes a benzilic ester rearrangement (BER) and a late stage benzylic oxidation to give access to all four stereoisomers whose absolute stereoch...

Prof Angeli recently discovered another synthesis of the same compound and was kind enough to inform me by letter[2] and allow their use at this point: benzilic acid condenses after merging with symmetrical dimethylurea to lose two water molecules and gives the same expected products (shown to me and sent in a sample). Crystal form, melting point and mixed melting point were identical. From the...

Tetranuclear [M 4 (OEt) 8 (L 1 ) (μ-O) 2 ] and dinuclear H (μ-O)] complexes (M = Nb, Ta) derived from benzilic acid diphenylglycine 3 have been structurally characterized are capable of the ROP μ-caprolactone rac -lactide.

Treatment of a methanolic solution of gallium(III) nitrate with lithium hydroxide in the presence of benzilic acid resulted in the decanuclear cluster [Ga(OMe)2{O2CC(OH)Ph2}]10 (1). The metal and the organic components have assembled to form a cyclic molecule that adopts the structure of a wheel. The 10 Ga(III) ions are approximately coplanar and are coordinated in a distorted octahedral manner...

Dehydroascorbic acid is shown to be converted to 2-(threo-l,2,3-trihydroxypropyl)tartronic acid in aqueous alkaline solutions. The structure of the acid was determined by mass spectrometry of its acyclic Me3Si derivative. Mass spectrometric and chromatographic data are compared with those of related compounds. The acid is formed by a benzilic acid rearrangement of the intermediate 2,3-hexodiulo...

The reactions of the titanium alkoxide [Ti(OR)4] (R = Me, nPr, iPr, tBu) with acids 2,2′-Ph2C(X)(CO2H), where X OH and NH2, i.e., benzilic acid (2,2′-diphenylglycolic acid, L1H2), 2,2′-diphenylglycine (L2H3), have been investigated. variation reaction stoichiometry allows for isolation mono-, bi-, tri or tetra-metallic products, structures which determined by X-ray crystallography. ability resu...