80738-10-9

Basic information

• Product Name: Methanone, (3,6-dihydro-4,5-dimethyl-2H-thiopyran-2-yl)phenyl-
• CAS NO: 80738-10-9
• Molecular Formula: C14H16OS
• Molecular Weight: 232.346
• Mol File: 80738-10-9.mol
• Article Data: 13

Chemical Properties

• CAS DataBase Reference: Methanone, (3,6-dihydro-4,5-dimethyl-2H-thiopyran-2-yl)phenyl-(CAS DataBase Reference)
• NIST Chemistry Reference: Methanone, (3,6-dihydro-4,5-dimethyl-2H-thiopyran-2-yl)phenyl-(80738-10-9)
• EPA Substance Registry System: Methanone, (3,6-dihydro-4,5-dimethyl-2H-thiopyran-2-yl)phenyl-(80738-10-9)

Safety Data

• Hazardous Substances Data: 80738-10-9(Hazardous Substances Data)

Upstream product

• 178620-83-2 benzothiazolyl phenacyl sulfoxide 
• 199387-64-9 1-phenyl-2-(pyrimidin-2-ylthio)ethanone 
• 2462-02-4 2-mercaptoacetophenone 
• 98-86-2 acetophenone 
• 53392-49-7 phenacyl thioacetate 
• 70-11-1 α-bromoacetophenone 
• 13944-95-1 2-(phenacylsulfanyl)-1,3-benzothiazole 
• 46721-77-1 1-phenyl-2-(pyridin-2-ylthio)ethan-1-one 
• 51315-11-8 2-(1-Oxy-pyridin-2-ylsulfanyl)-1-phenyl-ethanone 
• 513-81-5 2,3-dimethyl-buta-1,3-diene 
• 178620-86-5 1-Phenyl-2-(pyrimidine-2-sulfinyl)-ethanone 
• 178620-85-4 4-pyridyl phenacyl sulfoxide 
• 65332-95-8 N-oxy-2-pyridyl phenacyl sulfoxide 
• 178620-84-3 2-pyridyl phenacyl sulfoxide 

Downstream Products

• 128080-76-2 6-Benzoyl-3,4-dimethyl-2H-thiopyran 
• 131497-54-6 2-Benzoyl-3,6-dihydro-4,5-dimethyl-2H-thiopyran 1-oxide 

Relevant articles and documents

Generation of Thioaldehydes from Sodium Thiosulphate S-Esters (Bunte Salts)

Treatment of Bunte salts, ZCH2SSO3Na where Z is an electron-withdrawing group, with triethylamine and calcium chloride in the presence of cyclopentadiene or 2,3-dimethylbuta-1,3-diene gives the corresponding cycloadducts of the transient thioaldehydes, ZC

Synthesis and thermal transformation of stable monocyclic λ4-thiabenzenes

The stable monocyclic λ4-thiabenzenes 6a-e, which are stabilized with electron-withdrawing substituents such as benzoyl, cyano and alkoxycarbonyl groups, are synthesized in high yields by proton abstraction from the corresponding thiopyranium salts 5a-e with triethylamine in ethanol. The ylidic properties of the λ4-thiabenzenes are established based on spectral and chemical evidence. Thermal decomposition of the λ4-thiabenzenes affords alkyl-rearranged products 7,8, and 9, thienofuran derivatives 10 (from benzoyl-substituted λ4-thiabenzenes), and thiophene derivatives 11. A plausible mechanism for the formation of those products is also discussed.

Formation of Thioaldehyde Intermediates by Thermolysis of Sulfoxides Bearing Some Heteroaromatics

Thermal reactions of phenacyl sulfoxide bearing heterocycles, such as a 2-benzothiazolyl or N-oxypyridyl group, in the presence of 2,3-dimethyl-1,3-butadiene afforded 6-benzoyl-5,6-dihydro-3,4-dimethyl-2H-thiapyran in good yield. This product is considered to be formed by the Diels-Alder reaction of a diene with thioaldehyde formed initially by the decomposition of sulfoxides.