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90136-73-5

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90136-73-5 Usage

General Description

1,3-Dioxolan-2-one, 4-(chloromethyl)-4-methyl- is a chemical compound with the molecular formula C6H9ClO3. It is a cyclic organic compound containing a dioxolane ring with a chlorine and a methyl group attached to the fourth carbon atom. 1,3-Dioxolan-2-one, 4-(chloromethyl)-4-methyl- is commonly used as a building block in organic synthesis, especially in the production of pharmaceuticals and agrochemicals. It is also used as a reagent in the synthesis of various fine chemicals and as a solvent in chemical reactions. Additionally, it is known for its potential use as a stabilizer for lithium-ion batteries and as a precursor to materials used in the development of polymeric membranes.

Check Digit Verification of cas no

The CAS Registry Mumber 90136-73-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,3 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90136-73:
(7*9)+(6*0)+(5*1)+(4*3)+(3*6)+(2*7)+(1*3)=115
115 % 10 = 5
So 90136-73-5 is a valid CAS Registry Number.

90136-73-5Downstream Products

90136-73-5Relevant articles and documents

Combined experimental and computational study on catalytic cyclocoupling of epoxides and CO2 using porphyrin-based Cu(II) metal-organic frameworks with 2D coordination networks

Murayama, Tsukasa,Asano, Masayuki,Ohmura, Tetsushi,Usuki, Arimitsu,Yasui, Takeshi,Yamamoto, Yoshihiko

, p. 383 - 390 (2018)

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N-Heterocyclic carbene-nitrogen molybdenum catalysts for utilization of CO2

Chen, Fei,Tao, Sheng,Liu, Ning,Dai, Bin

, (2021/01/19)

Three new N-heterocyclic carbene-nitrogen molybdenum complex was synthesized, and its catalytic activity was evaluated in the cycloaddition of epoxides with CO2. The molybdenum complex combined with tetrabutyl ammonium iodide (TBAI) resulted in a catalytic system for efficient conversion of a wide range of terminal and internal epoxides under 80 °C and 5–7 bar pressure for CO2. The cooperative catalysis mechanism between molybdenum complex and TBAI was elucidated, in which molybdenum complex was used as Lewis acid, and TBAI was employed as nucleophilic reagent. In addition, the NHC-Mo catalytic system was also successfully applied for the direct carboxylation of terminal alkynes with CO2.

Catalytic, Kinetic, and Mechanistic Insights into the Fixation of CO2 with Epoxides Catalyzed by Phenol-Functionalized Phosphonium Salts

Hu, Yuya,Wei, Zhihong,Frey, Anna,Kubis, Christoph,Ren, Chang-Yue,Spannenberg, Anke,Jiao, Haijun,Werner, Thomas

, p. 363 - 372 (2020/11/30)

A series of hydroxy-functionalized phosphonium salts were studied as bifunctional catalysts for the conversion of CO2 with epoxides under mild and solvent-free conditions. The reaction in the presence of a phenol-based phosphonium iodide proceeded via a first order rection kinetic with respect to the substrate. Notably, in contrast to the aliphatic analogue, the phenol-based catalyst showed no product inhibition. The temperature dependence of the reaction rate was investigated, and the activation energy for the model reaction was determined from an Arrhenius-plot (Ea=39.6 kJ mol?1). The substrate scope was also evaluated. Under the optimized reaction conditions, 20 terminal epoxides were converted at room temperature to the corresponding cyclic carbonates, which were isolated in yields up to 99 %. The reaction is easily scalable and was performed on a scale up to 50 g substrate. Moreover, this method was applied in the synthesis of the antitussive agent dropropizine starting from epichlorohydrin and phenylpiperazine. Furthermore, DFT calculations were performed to rationalize the mechanism and the high efficiency of the phenol-based phosphonium iodide catalyst. The calculation confirmed the activation of the epoxide via hydrogen bonding for the iodide salt, which facilitates the ring-opening step. Notably, the effective Gibbs energy barrier regarding this step is 97 kJ mol?1 for the bromide and 72 kJ mol?1 for the iodide salt, which explains the difference in activity.

Method for preparing cyclic carbonate by immobilizing CO2 under catalysis of organic boric acid

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Paragraph 0197-0202, (2021/06/22)

The invention discloses a synthesis method for synergistically catalyzing carbon dioxide immobilization through weak Lewis acid phenylboronic acid and tetrabutylammonium bromide. According to the method, CO2 is immobilized by epoxide, and a cyclic carbonate product is generated. The method comprises the following step: under the concerted catalysis of phenylboronic acid and tetrabutylammonium bromide, performing reaction on epoxide as shown in a formula IV, a formula V or a formula VI and carbon dioxide to respectively obtain a cyclic carbonate product as shown in a formula I, a formula II or a formula III. According to the method, raw materials are convenient and easy to obtain, reaction conditions are mild, operation is easy and convenient, and the yield can reach 97%.

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