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Phenylacetylene is a prototypical terminal acetylene, undergoing many reactions expected of that functional group. It undergoes semi hydrogenation over Lindlar catalyst to give styrene . In the presence of base and copper(II) salts, it undergoes oxidative coupling to give diphenylbutadiyne . [ 6 ]
The International Statistical Classification of Diseases and Related Health Problems (ICD-10) refers to the diagnosis as "Other dissociative and conversion disorders". [2] Under the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders, it was known as "Dissociative disorder not otherwise specified" (DDNOS).
The American Psychiatric Association (APA) has classified somatoform disorders in the DSM-IV and the World Health Organization (WHO) have classified these in the ICD-10. Both classification systems use similar criteria. Most current practitioners will use one over the other, though in cases of borderline diagnoses, both systems may be referred to.
Yet another method involves the coupling of iodobenzene and the copper salt of phenylacetylene in the Castro-Stephens coupling. The related Sonogashira coupling involves the coupling of iodobenzene and phenylacetylene. Diphenylacetylene is a planar molecule. The central C≡C distance is 119.8 picometers. [1]
The recalled chips include Lay's Classic Potato Chips, in flexible 13 oz. (368.5 grams) bags with UPC code 28400 31041, a "Guaranteed Fresh" date of 11 Feb 2025, and one of either two ...
Shop these 10 thoughtful gifts under $50 from Nordstrom that’ll arrive in time for Christmas. The 20 best sales this weekend: Candy for stockings, wool sweaters, kid's PJs and more.
WAKEFIELD, N.H. - Four people were found dead on Christmas Day in Wakefield, New Hampshire from suspected carbon monoxide poisoning, authorities said. State Fire Marshal Sean Toomey said police ...
Generalized bullous fixed drug eruption (GBFDE) most commonly refers to a drug reaction in the erythema multiforme group. [3]: 129 These are uncommon reactions to medications, with an incidence of 0.4 to 1.2 per million person-years for toxic epidermal necrolysis and 1.2 to 6.0 per million person-years for Stevens–Johnson syndrome.