100596-16-5

Usage

Uses

Used in Plastics Industry:
3-(1,3-DITHIAN-2-YL)-PENTANE-2,4-DIONE is used as a UV stabilizer for plastics to protect them from the harmful effects of ultraviolet radiation, which can cause degradation, discoloration, and loss of mechanical properties. By incorporating 3-(1,3-DITHIAN-2-YL)-PENTANE-2,4-DIONE into the plastic material, manufacturers can enhance the durability and longevity of their products, ensuring that they maintain their appearance and functionality even when exposed to sunlight or other sources of UV radiation.
Additionally, 3-(1,3-DITHIAN-2-YL)-PENTANE-2,4-DIONE is also used as a heat stabilizer for plastics. This application is particularly important for materials that are subjected to high temperatures during processing or in their end-use applications. Heat stabilizers help to prevent thermal degradation, which can lead to a loss of structural integrity and other undesirable effects. By using 3-(1,3-DITHIAN-2-YL)-PENTANE-2,4-DIONE, manufacturers can improve the thermal stability of their plastic products, allowing them to withstand higher temperatures without compromising their performance.
Furthermore, 3-(1,3-DITHIAN-2-YL)-PENTANE-2,4-DIONE is also utilized as an antioxidant for plastics. Antioxidants are essential additives that help to prevent the oxidative degradation of polymers, which can lead to a decline in mechanical properties and overall performance. By incorporating 3-(1,3-DITHIAN-2-YL)-PENTANE-2,4-DIONE into the plastic material, manufacturers can enhance the resistance of their products to oxidative stress, ensuring that they maintain their structural integrity and other desirable characteristics over time.

InChI:InChI=1/C9H14O2S2/c1-6(10)8(7(2)11)9-12-4-3-5-13-9/h8-9H,3-5H2,1-2H3

Upstream product

• 55727-23-6 3‐(1,3-dithiane-2-yl)pentane-2,4-dione 
• 13257-81-3 4-trimethylsiloxy-3-penten-2-one 
• 39915-66-7 1,3-dithian-2-yl tetrafluoroborate 
• 123-54-6 acetylacetone 

Downstream Products

• 54593-26-9 3,5-dimethyl-1,2-oxazole-4-carbaldehyde 
• 22042-79-1 3,5-dimethyl-1-phenyl-1H-pyrazole-4-carbaldehyde 
• 201008-71-1 3,5-dimethyl-1H-pyrazole-4-carbaldehyde 
• 933454-80-9 C₉H₁₄N₂O 
• 105223-85-6 acetyl-4 methyl-3 phenyl-1 pyrazole 
• 71591-87-2 3-(aminomethylene)pentane-2,4-dione 
• 201008-65-3 3,5-dimethyl-4-(1,3-dithian-2-yl)-1H-pyrazole 
• 201008-67-5 3,5-dimethyl-4-(1,3-dithian-2-yl)-1-phenylpyrazole 

Relevant academic research and scientific papers

NOVEL COMPOUNDS

The invention relates to thienopyridazinones of formula (I): wherein: R1 is C1-6 alkyl, C2-6 alkenyl or C3-6 cycloalkyl which is optionally substituted by C1-6 alkyl, each of the above being optionall

Routes to building blocks for heterocyclic synthesis by reduction of ketene dithioacetals

Two general methods have been developed permitting the effective reduction of ketene dithioacetals to give substituted dithianes. Reduction with magnesium in methanol is less reliable than reduction with zinc in acetic acid. The greater inconsistency of magnesium in methanol has been investigated by a cyclic voltammetric study of the substrates. The utility of the dithianes has been successfully illustrated by cyclisations to afford, after deprotection, a variety of heterocyclic aldehydes.

1,3-Dithienium- and 1,3-Dithiolenium Salts, V. Determination of the Relative Reactivity of 1,3-Dithian-2-ylium Tetrafluoroborates by Intermolecular Hydride Ion Transfer

The 1,3-dithienium- and 1,3-dithiolenium tetrafluoroborates 4 (n=3, 2) react in good yields with the (trimethylsiloxy)alkenes 3 available from β-dicarbonyl compounds to give the 2-substituted 1,3-dicarbonyl compounds 5.Owing to the formation of the difluoroboron acid esters 8 as competition products 3 has to be employed in excess, however.Reaction of 4 (n=3) with 1,3,5-cycloheptatriene (10) leads to the 1,3-dithianes 11 and the more stable tropylium tetrafluoroborate (12).The determination of the corresponding rates of reduction allows in a simple manner the ascertainment of the relative reactivities of 4.Whereas the reactivities of the aryl-substituted representatives of 4 show a sufficient correlation corresponding to the Hammett relationship, the variations of the reactivities of the alkyl substituted salts 4 can be explained on the basis of hyperconjugative stabilization.