Synthesis, spectroscopic, and X-ray structural characterization of pharmacologically active substituted pyrazolyl-acetanilides
β Scribed by Christina Zalaru; Mino R. Caira; Florea Dumitrascu; Constantin Draghici; Elena Cristea
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 376 KB
- Volume
- 20
- Category
- Article
- ISSN
- 1040-0400
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Four triphenyltin carboxylates formulated as o-Ph3SnOCOC6H4CH=N-Ar (Ar = C6H,; prepared and spectroscopically characterized. H4CH=NC6H, indicates that the tin atom, in each of the two molecules comprising the asymmetric unit, exists in a distorted tetrahedral geometry owing to an intramolecular acyl
Ar = p-tolyl or phenyl), have been C-acylated by acetic anhydride to obtain new types of phosphorus ylides. Synthesis and characterization of six phosphorus ylides of the type Ar 3 PC(COCH 3 )(COR) are reported. The reaction of {(p-tolyl) and {Ph 3 PCHCOOCH 2 C 6 H 5 } (VI) with acetic anhydride in
## Abstract Novel tin(II) Ξ²βdiketonate Sn(Q)~2~ complexes [HQ = 1βR^1^β3βR^3^β4βR^4^(C=O)βpyrazolβ5βone; HQ^C^: R^1^ = Ph, R^3^ = Me, R^4^ = Cy; HQ^S^: R^1^ = Ph, R^3^ = Me, R^4^ = CHPh~2~; HQ^L^: R^1^ = Ph, R^3^ = Me, R^4^ = CH~2~Ph; HQ^T^: R^1^ = Ph, R^3^ = Me, R^4^ = CH~2~__t__Bu; HQ^E^: R^1^ =