15403-39-1

Upstream product

• 115-77-5 Pentaerythritol 
• 123-08-0 4-hydroxy-benzaldehyde 
• 82515-50-2 2,2-bis(hydroxymethyl)propane-1,3-diol 

Relevant academic research and scientific papers

A green recyclable poly(4-vinylpyridine)-supported copper iodide nanoparticle catalyst for the chemoselective synthesis of pentaerythritol diacetals from aromatic aldehydes

Poly(4-vinylpyridine)-supported copper(I) iodide nanoparticles have been used as an efficient, green recyclable catalyst for the chemoselective synthesis of pentaerythritol diacetals from aromatic aldehydes and pentaerythritol under solvent-free conditions. This catalyst was reused six times without any loss of its activity.

Acetalation of pentaerithritol catalyzed by an Al-pillared saponite

Acetalation of pentaerithritol has been carried out in the presence of an Al-pillared saponite. Several carbonyl compounds were used, including aldehydes and ketones. Yields between 72 and 93% were obtained in all cases, except in the case of veratraldehyde where the carbonyl group was blocked. The high conversion could be explained by diffusion effects of intermediates and electronic effects between the reactants in the transition state. The catalyst was found to be active after three cycles.

Synthesis of diacetals from aldehydes and ketones with pentaerythritol catalyzed by silica sulfate under microwave irradiation

The synthesis of diacetals from pentaerythritol with aldehydes and ketones is carried out under microwave irradiation in 80-98% yields with silica sulfate as catalyst.

Microwave-assisted acetalization of pentaerythritol catalyzed by 12-tungstophosphoric acid

Efficient conversion of carbonyl compounds and pentaerythritol to corresponding diacetals in the presence of 12-tungstophosphoric acid under microwave irradiation is described.

A practical and efficient procedure for preparation of diacetals from 2,2-bis (hydroxymethyl) propane-1,3-diol with aldehydes and ketones catalysed by anhydrous ferrous sulfate

Synthesis of diacetals in excellent yields from aldehydes and ketones with 2,2-bis(hydroxymethyl)propane-1,3-diol is carried out in refluxing benzene or toluene with anhydrous ferrous sulfate as catalyst.

Synthesis of diacetals by condensation of carbonyl compounds with bis(hydroxymethyl)-1,3-propanediol catalysed by expansive graphite

Synthesis of diacetals from 2,2-bis(hydroxymethyl)-1,3-propanediol with aldehydes and ketones under catalysis of expansive graphite in refluxing benzene or toluene in good to excellent yield has been described.

Montmorillonite Clays Catalysis. Part 12.1 An Efficient and Practical Procedure for Synthesis of Diacetals from 2,2-Bis(hydroxymethyl)propane-1,3-diol with Carbonyl Compounds

Preparation of diacetals from 2,2-bis(hydroxymethyl)propane-1,3-diol with aldehydes and ketones is catalysed by montmorillonite clays in refluxing benzene or toluene in good to excellent yield.

Synthesis of diacetals of 2,2-bis(hydroxymethyl)1,3-propanediol under microwave irradiation

Nine diacetals (3a-i) of 2,2-bis(hydroxymethyl)-1,3-propanediol (2) were prepared by condensation of aldehydes with 2 under microwave irradiation in the presence of TsOH without solvent.

Polyglycidyl ethers and a process for producing the same

A process for producing a polyglycidyl ether which comprises reacting a mixture of 4-oxy-3-methoxybenzaldehyde and 4-oxybenzaldehyde in the molar ratio of 5/95 to 95/5 with pentaerythritol to give a bisphenol having a spiroacetal ring, and further reacting the bisphenol with epihalohydrin or β-methylepihalohydrin is disclosed. The polyglycidyl ether obtained has excellent solubility in solvents, and the cured product obtained therefrom has excellent elongation, modulus of elasticity, impact resistance, and heat resistance.