The dithioester (CH2)4NCS2CH3 (PyDTM, 1-pyrrolidinecarbodithioate methyl ester) has been prepared by reaction of the parent ammonium salt NH4PyDT ðPyDT 1⁄4 ðCH2Þ4NCS 2 Þ with methyl iodide in water/ethanol. The reaction of PyDTM with PdCl2 allowed to synthesize either [PdCl2(PyDTM)], in which the ligand is chelated by both sulfur atoms, or [PdCl2(PyDTM)2], in which the ligand acts as monodentat...

a new, high yielding method for the preparation of vasicinone (7) is described. reaction of 2-nitrobenzoic acid with n, n¢-carbonyldiimidazole followed by 2-pyrrolidinone gave 1-(2-nitrobenzoyl)pyrrolidine-2-one (3). reduction of the latter with 10% pd-c afforded deoxyvasicinone (4). reaction of deoxyvasicinone (4) with bromine yielded monobromo-deoxyvasicinone (5). exchange of bromine of 5 wit...

four new complexes of the type [lco ((do)(doh) pn) cl] pf , where (do) (doh) pn = n , n '- propanediylbis (2, 3-butanedione2-imine3-oxirne)a nd l =morpholine (mrpln) (i), benzylamine (bzlan) (ii), piperidine (pprdn)(iii) and pyrrolidine (prldn) (iv) have been synthesized and characterized by elemental analyses and spectroscopic methods. approximate values of the angular-overlap parameter, ...

In the title compound, C(16)H(16)N(2)O(6), the dihedral angle between the two pyrrolidine rings is 79.38 (14)°.

Structurally diverse highly functionalized flouro- and nitro - substituted spirooxindole-pyrrolidine heterocyclic hybrids have been achieved in good yields. The molecular structure of these spiroheterocyclic was elucidated by spectroscopic analysis further confirmed single crystal X-ray crystallographic studies density functional theory (DFT) calculations. Analysis packing for performed using H...

The epigenetic plasticity hypothesis indicates that exposure during pregnancy may cause adult-onset disorders, including hypertension, myocardial infarction and heart failure. Moreover, myocardial fibrosis coincides with hypertension, myocardial infarction and heart failure. This study was designed to investigate the effects of prenatal exposure to lipopolysaccharide (LPS) on myocardial fibrosi...

Enantioselective intramolecular hydroamination of N-allenyl ureas catalyzed by an enantiomerically enriched bis(gold) phosphine complex forms pyrrolidine derivatives in good yield with up to 93% ee.

The synthesis of a new chiral pyrrolidine has been performed using 2,3-O-isopropylidene-D-erythronolactol as a suitable starting material.

In a sustained search for novel ?-amylase inhibitors the treatment of type 2 diabetes mellitus (T2DM), we report herein synthesis series nineteen rhodanine-fused spiro[pyrrolidine-2,3?-oxindoles]. They were obtained by one-pot three component [3 + 2] cycloaddition stabilized azomethine ylides, generated in situ condensation glycine methyl ester and cyclic ketones 1H-indole-2,3-dione (isatin), w...