35583-09-6Relevant academic research and scientific papers
Crystal X-ray diffraction guided NMR analysis of 3,9-diaryl-2,4,8,10- tetraoxaspiro[5.5]undecanes under differently shielding effect of terminal aromatic rings
Sun, Xiaoqiang,Yu, Shu-Ling,Li, Zheng-Yi,Yang, Yang
, p. 152 - 156 (2010)
The stereoscopic structures of 3,9-di(o-, m-and p-chlorophenyl)-2,4,8,10- tetraoxaspiro[5.5]undecanes were elucidated via high-resolution 1D and 2D NMR techniques including 1H NMR, 13C NMR, DEPT, 1H-1H COSY, HSQ
A green recyclable poly(4-vinylpyridine)-supported copper iodide nanoparticle catalyst for the chemoselective synthesis of pentaerythritol diacetals from aromatic aldehydes
Albadi, Jalal,Iravani, Nasir,Dehghan, Farzaneh,Shirinic, Farhad
, p. 610 - 611,2 (2020/09/16)
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.
Acetalization of carbonyl compounds as pentaerythritol diacetals and diketals in the presence of cellulose sulfuric acid as an efficient, biodegradable and reusable catalyst
Shaterian, Hamid Reza,Rigi, Fatemeh
experimental part, p. 695 - 698 (2012/05/05)
This paper reports a practical and green method for the acetalization of carbonyl compounds as pentaerythritol diacetals and diketals derivatives using cellulose sulfuric acid as a biodegradable and reusable solid acid catalyst under thermal solvent-free conditions.
Synthesis of diacetals from aldehydes and ketones with pentaerythritol catalysed by the ZrO2/S2O82- solid superacid
Jin, Tongshou,Yang, Mina,Wang, Xin,Feng, Guoliang,Li, Tongshuang
, p. 203 - 205 (2007/10/03)
A manipulatively simple and rapid procedure for the synthesis of diacetals from 2,2-bis(hydroxymethyl)-1, 3-propanediol with aldehydes and ketones in refluxing benzene or toluene using the ZRO2/S2O 82- solid superacid as catalyst in 80-98% yields has been described.
Synthesis of diacetals from aldehydes and ketones with pentaerythritol catalyzed by silica sulfate under microwave irradiation
Jin, Tong-Shou,Wang, Huan-Xin,Wang, Kai-Fang,Li, Tong-Shuang
, p. 2993 - 2999 (2007/10/03)
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.
An efficient procedure for the synthesis of diacetals from the InCl3·4H2O catalysed reaction of 2,2-bis (hydroxymethyl)-1,3-propanediol with aldehydes or ketones
Deng, Guisheng,Ren, Tiegan
, p. 24 - 25 (2007/10/03)
Diacetals of carbonyl compounds are synthesised in good yields by the InCl3·4H2O catalysed condensation reactions.
2,4,4,6-Tetrabromo-2,5-cyclohexadienone (TABCO) as a versatile, efficient, and chemoselective catalyst for the acetalization and transacetalization of carbonyl compounds, the preparation of acetonides from epoxides and acylals (1,1-diacetates) from aldehydes
Firouzabadi, Habib,Iranpoor, Nasser,Shaterian, Hamid Reza
, p. 2195 - 2205 (2007/10/03)
The efficient and chemoselective preparation of acetals and ketals from carbonyl compounds, transacetalization reactions, the conversion of epoxides to acetonides, and the preparation of acylals from aldehydes in the presence of catalytic amounts of 2,4,4,6-tetrabromo-2,5-cyclohexadienone (TABCO) are 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
Jin, Tong-Shou,Ma, Yan-Ran,Li, Tong-Shuang,Wang, Jian-Xin
, p. 268 - 269 (2007/10/03)
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
Jin, Tong-Shou,Li, Tong-Shuang,Zhang, Zhan-Hui,Yuan, Yan-Jun
, p. 1601 - 1606 (2007/10/03)
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
Zhang, Zhan-Hui,Li, Tong-Shuang,Jin, Tong-Shou,Li, Ji-Tai
, p. 640 - 641 (2007/10/03)
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.
