Bis[(2-dimethylaminomethyl)phenyl] diselenide (RSe)2 was obtained by the organolithium route. It underwent facile reaction with stoichiometric amounts of bromine and iodine to give corresponding arylselenium halides RSeBr novel RSeI in which selenium is covalently bonded iodine. With an excess it gave tribromide RSeBr3 but a similar only RSeI. diazomethane selenoether (RSe)2CH2 HCl known bis(hydrochloride)(RSe)2·2HCl. A catalytic conversion alkenes into allylic acetates using carried out....

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSyntheses and Characterization of Hybrid Bi- Multidentate Tellurium Ligands Derived from N,N-Dimethylbenzylamine: Coordination Behavior Bis[2-((dimethylamino)methyl)phenyl] Telluride with Chromium PentacarbonylRupinder Kaur, Harkesh B. Singh, Ray J. ButcherCite this: Organometallics 1995, 14, 10, 4755–4763Publication Date (Print):October 1, 1995Publication History Published online1 May 2002Published inissue 1 October...

The synthesis and characterization of chiral hybrid ligand R2*Se2 (R* = 2-Me2NCH(Me)C6H4) (9) some its derivatives is described. reaction 9 with a Pd(II) chloride complex leads to cleavage the Se−Se bond formation corresponding areneselenenyl chloride, R*SeCl (18). However, reactions [RS; RS] [SR; SR] bis[2-{1-(dimethylamine)ethyl}ferrocenyl] diselenides (7 8) under identical conditions afford dinuclear complexes [PdCl{(SeC5H3CH(Me)NMe2-2)Fe(C5H5)}]2 (19 20). Reaction achiral ditelluride,...

Intramolecularly stabilized divalent mercury selenolates of empirical formula Hg(SeR)2[R = 2-Me2NCH2C6H41, (S)-2-Me2NCHMeC6H42, (R,S)-(C5H5)Fe(2-Me2NCHMeC5H3)3 and (S,R)-(C5H5)Fe(2-Me2NCHMeC5H3)4] have been synthesized in high yield by treating the corresponding diselenides with elemental mercury. The compounds show excellent solubility non-polar solvents. They were characterized analysis, 1H, 13C, 77Se NMR, IR, Fourier-transform Raman mass spectral techniques. single-crystal structures 1 4...

Salivary gland diseases are often linked to sialolithiasis with mainly involving the submandibular and ducts. Sialolithiasis can vary in different sizes, shapes any measurements exceeding 15mm considered as giant sialoliths. Swelling salivary glands is closely still an infrequent diagnosis. The clinical case involves a 55-year-old male patient evident swelling left area of mouth. correct diagnosis was identified use computed tomography (CT Scan) confirmed presence sialolith. It imperative...

Eccrine carcinoma is a rare skin adnexal tumour that presents significant diagnostic challenges due to its uncommon occurrence and varied clinical presentations. This report discusses two unique cases of eccrine in middle-aged females, occurring at atypical locations: the thigh anal region. It emphasises importance recognising such tumours for appropriate management. The first case describes 53-year-old woman with chronic, non healing ulcer was initially suspected be benign lesion but later...

Dentigerous cysts are the common type of developmental odontogenic cyst that encloses crown unerupted tooth. develops by accumulation fluid between reduced enamel epithelium and tooth is attached to at cemento-enamel junction. They more in males than females occurs mostly permanent dentition. The majority dentigerous involves mandibular third molars, maxillary canines, premolars molars. This article presents a case unilateral associated with impacted molar patient treated enucleation.

Cotyledonoid Dissecting Leiomyoma (CDL) or Sternberg tumour is an unusual variant of leiomyoma giving a distinctive malignant gross appearance.We report here case in 50-year-old woman who presented with Abnormal Uterine Bleeding (AUB) and abdominal mass.Laparotomy showed large exophytic mass arising from the uterus irregular contours variegated appearance suspicious malignancy.

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