Ammonium pentasulfide

Ammonium pentasulfide is usually prepared according to Eq. (17) by suspending elemental sulfur in aqueous ammonia (35%) and bubbling hydrogen sulfide into the solution [20, 31, 32] ... 

N2S3H8, Ammonium pentasulfide, 20 12 N3, Azido, platinum chain complexes, 21 149 N3RI1S15H12, Rhodate(III), tris(pentasulfido)-, triammonium, 21 15... 

N2PdS, H8, Palladate(ll), bis(hexasulfido)-, diammonium, nonstoichiometric, 21 14 N2PtSl0H8, Platinate(ll), bis(pentasulfido)-, bis(tetrapropylammonium), 21 13 N2PtSl3H8, Platinate(IV), tris(pentasulfido)-, diammonium, 21 12, 13 N2S H8, Ammonium pentasulfide, 21 12 Nj, Azido... 

Ammonium pentasulfide (see p. 369) is digested with CSg in a wide-neck flask equipped with a reflux condenser and an immersed, water-cooled coil. Colorless (NH )2S precipitates on the cold surface of the cooling tube, but is later converted to the pale orange-yellow thiocarbonate. 

Compound Name Polypropylene Glycol Tetrahydrofuran Dimethyl Sulfide N-Butyl Mercaptan Thiophosgene Ammonium Thiocyanate Ethyl Mercaptan Methyl Mercaptan Thiophosgene Phosphorus Pentasulfide Thiram Thiram... 

Other types of leaving groups and of nucleophilic reagents also show greater reactivity at the 4-position 2,4-dichloropyrimidine with alcoholic potassium thiocyanate ° (to 304) and with chemical monodehalogenation (zinc and ammonia or ammonium chlor-ide), 2,4-(lH,3/f)-pyrimidinedithione with ammonia or amines to give 305, 2,4-(l/f,3 f)-pyrimidinedione thiona-tion o 8 o with phosphorus pentasulfide (of. 126 and 127), pyrimidine with phenyl lithium, and 2,4,6-trichloropyrimidine with several sulfanilamide anions. In the latter reaction, the absence of a... 

Phosphorus pentasulfide reacted with ethanol and ammonium acetate in the presence of alumina under microwave irradiation to gave 0,0 -diethyl ammonium phosphorodithiphosphate, which is a convenient sulfur donor for conversion of oxiranes into thiiranes (Scheme 106 Table 20) <2004S2035>. 

Trifluoromethyl-5-hydroxy-3-thiazolines (344) have been obtained by this route with the use of silica gel as an effective catalyst for introducing the sulfur atom from several sulfurating agents <94H(38)803>. The sulfurating agents employed were ammonium sulfate, sodium sulfide, and phosphorus pentasulfide (Equation (66)). 

It was prepared by Kurkjy and Brown (1952), with formamide, phosphorus pentasulfide and 3-bromo-2-butanone (see M.4), by Pittet and Hruza (1974) from ammonium dithiocarbamate and 3-bromo-2-butanone, according a previously described procedure. 

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