Category: 20605-01-0

Adding a certain compound to certain chemical reactions, such as: 20605-01-0, Diethyl 2,2-bis(hydroxymethyl)malonate, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, 20605-01-0, blongs to alcohols-buliding-blocks compound. Computed Properties of C9H16O6

Diethyl 2,2-bis(hydroxymethyl)malonate (28.3 mmol; 6.23 g) was coevaporated twice from dry pyridine and dissolved in the same solvent (20 mL). tert-Butyldimethylsilyl chloride (25.5 mmol; 3.85 g) in dry pyridine (10 mL) was added portionwise. The reaction was allowed to proceed for 4 days. The mixture was evaporated to a solid foam, which was then equilibrated between water (200 mL) and DCM (4×100 mL). The organic phase was dried on Na2SO4. The product was purified by silica gel chromatography eluting with 10% ethyl acetate in DCM. The yield was 78%. 1H NMR (CDCl3) delta 4.18-4.25 (m, 4H, OCH2Me), 4.10 (s, 2H, CH2OSi), 4.06 (s, 2H, CH2OH), 2.63 (br s, 1H, OH), 1.26 (t, J=7.0 Hz, 6H, OCH2CH3), 0.85 (s, 9H, Si-SMe3), 0.05 (s, 6H, Me-Si). 13C NMR (CDCl3) delta 169.2 (CO), 63.3 (CH2OH), 62.8 (CH2OSi), 61.6 (spiro C), 61.4 (OCH2Me), 25.6 [C(CH3)3], 18.0 (Si-CMe3), 14.0 (OCH2CH3), -3.6 (Si-CH3). MS [M+H]+ obsd. 335.7, calcd. 335.2; [M+Na] obsd. 357.6, calcd. 357.2.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,20605-01-0, its application will become more common.

Reference:
Patent; Alios BioPharma, Inc.; US2010/240604; (2010); A1;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Related Products of 20605-01-0 ,Some common heterocyclic compound, 20605-01-0, molecular formula is C9H16O6, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.

General procedure: A solution of diethyl 2,2-bis(hydroxymethyl) malonate(12 mmol), 1 (10 mmol) and sulfonated carbon(1.0 g) were heated to reflux in a mixture of N,N-dimethylformamide(10 mL) and cyclohexane (6 mL)under stirring for 3 h. After cooling to room temperature,the solution was filtered and the solvent was removed in vacuo, the residue was dissolved in EtOAc (15 mL),washed with saturated brine (10 mL × 2) and water(10 mL×2), dried over anhydrous Na2SO4. The solventwas filtered and concentrated to give 2a-2d as colorless oil.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,20605-01-0, its application will become more common.

Reference:
Article; Yuan, Lin; Li, Zhong Yan; Zhang, Min; Yuan, Xian You; Zhu, Xiao Qing; Journal of Nanoscience and Nanotechnology; vol. 17; 3; (2017); p. 2201 – 2205;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Adding a certain compound to certain chemical reactions, such as: 20605-01-0, Diethyl 2,2-bis(hydroxymethyl)malonate, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, name: Diethyl 2,2-bis(hydroxymethyl)malonate, blongs to alcohols-buliding-blocks compound. name: Diethyl 2,2-bis(hydroxymethyl)malonate

Diethyl 2-(tert-butyldimethylsilyloxymethyl)-2-hydroxymethylmalonate (15). Diethyl 2,2-bis(hydroxymethyl)malonate (28.3 mmol; 6.23 g) was coevaporated twice from dry pyridine and dissolved in the same solvent (20 mL). tert-Butyldimethylsilyl chloride (25.5 mmol; 3.85 g) in dry pyridine (10 mL) was added portionwise. The reaction was allowed to proceed for 4 days. The mixture was evaporated to a solid foam, which was then equilibrated between water (200 mL) and DCM (4×100 mL). The organic phase was dried on Na2SO4. The product was purified by silica gel chromatography eluting with 10% ethyl acetate in DCM. The yield was 78%. 1H NMR (CDCl3) delta 4.18-4.25 (m, 4H, OCH2Me), 4.10 (s, 2H, CH2OSi), 4.06 (s, 2H, CH2OH), 2.63 (br s, 1H, OH), 1.26 (t, J=7.0 Hz, 6H, OCH2CH3), 0.85 (s, 9H, Si-SMe3), 0.05 (s, 6H, Me-Si). 13C NMR (CDCl3) delta 169.2 (CO), 63.3 (CH2OH), 62.8 (CH2OSi), 61.6 (spiro C), 61.4 (OCH2Me), 25.6 [C(CH3)3], 18.0 (Si-CMe3), 14.0 (OCH2CH3), -3.6 (Si-CH3). MS [M+H]+ obsd. 335.7, calcd. 335.2; [M+Na] obsd. 357.6, calcd. 357.2.

At the same time, in my other blogs, there are other synthetic methods of this type of compound,20605-01-0, Diethyl 2,2-bis(hydroxymethyl)malonate, and friends who are interested can also refer to it.

Reference:
Patent; Alios BioPharma Inc.; US2009/176732; (2009); A1;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Electric Literature of 20605-01-0, Adding some certain compound to certain chemical reactions, such as: 20605-01-0, name is Diethyl 2,2-bis(hydroxymethyl)malonate,molecular formula is C9H16O6, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 20605-01-0.

EXAMPLE 6 Diethyl 2-isopropyl-1,3-dioxane-5,5-dicarboxylate A mixture of 165.0 g of diethyl bis(hydroxymethyl)malonate, 83.4 g of trimethylorthoformate and 0.6 g of sodium hydrogen sulfate was heated, with stirring, to 50 C. for 30 minutes and then to 60 C. for 90 minutes. Over a period of 45 minutes, 81.0 g of isobutyraldehyde were then added gradually, the internal temperature being kept to 60 C. by gentle cooling. The low-boiling components formed were distilled off up to a bottom temperature of 120 C., and 1.0 g of sodium carbonate was then added to neutralize the catalyst. Subsequent distillation in an oil pump vacuum afforded 168.2 g of colorless target product (82% of the theoretical yield, based on the diethyl bis(hydroxymethyl)malonate used) with a boiling point of 110 C./1 mm. The purity, determined by gas chromatography, was 98 FID percent by area.

According to the analysis of related databases, 20605-01-0, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Huels Aktiengesellschaft; US5932747; (1999); A;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Reference of 20605-01-0 ,Some common heterocyclic compound, 20605-01-0, molecular formula is C9H16O6, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.

EXAMPLE 1 (comparative example) Diethyl 1,5-dioxaspiro[5.5]undecane-3,3-dicarboxylate A stirred mixture of 165.0 g of diethyl bis(hydroxymethyl)malonate (98%, 0.75 mol), 75.3 g of cyclohexanone and 500 g of cyclohexane as a solvent and entrainer was admixed with 1.0 g of sulfuric acid. The mixture was then heated to reflux temperature (70-80 C.), the reaction water formed being continuously removed over a period of 5 hours. After the reaction was complete, the reaction mixture was cooled to room temperature and introduced into dilute, excess aqueous sodium hydrogen carbonate solution. The aqueous phase was re-extracted with methyl t-butyl ether, and the combined organic phases were washed once with water. After drying over sodium sulfate the solvents were distilled off on a rotary evaporator, and the product was isolated by distillation in an oil pump vacuum. This gave 168.4 g of target product (75% of the theoretical yield, based on the diethyl bis(hydroxymethyl)malonate used) with a boiling point of 140 C./0.2 mm. The purity, determined by gas chromatography, was 97 to 98 FID percent by area.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,20605-01-0, its application will become more common.

Reference:
Patent; Huels Aktiengesellschaft; US5932747; (1999); A;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 20605-01-0, name is Diethyl 2,2-bis(hydroxymethyl)malonate, the common compound, a new synthetic route is introduced below. Formula: C9H16O6

General procedure: A solution of diethyl 2,2-bis(hydroxymethyl) malonate(12 mmol), 1 (10 mmol) and sulfonated carbon(1.0 g) were heated to reflux in a mixture of N,N-dimethylformamide(10 mL) and cyclohexane (6 mL)under stirring for 3 h. After cooling to room temperature,the solution was filtered and the solvent was removed in vacuo, the residue was dissolved in EtOAc (15 mL),washed with saturated brine (10 mL × 2) and water(10 mL×2), dried over anhydrous Na2SO4. The solventwas filtered and concentrated to give 2a-2d as colorless oil.

The synthetic route of 20605-01-0 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Yuan, Lin; Li, Zhong Yan; Zhang, Min; Yuan, Xian You; Zhu, Xiao Qing; Journal of Nanoscience and Nanotechnology; vol. 17; 3; (2017); p. 2201 – 2205;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 20605-01-0, name is Diethyl 2,2-bis(hydroxymethyl)malonate, the common compound, a new synthetic route is introduced below. Recommanded Product: Diethyl 2,2-bis(hydroxymethyl)malonate

DIETHYL 2-ACETYLOXYMETHYL-2-HYDROXYMETHYLMALONATE (5); Diethyl 2-(tert-butyldimethylsilyloxymethyl)-2-hydroxymethylmalonate (5a). Diethyl 2,2-bis(hydroxymethyl)malonate (28.3 mmol; 6.23 g) was coevaporated twice from dry pyridine and dissolved in the same solvent (20 mL). tert-Butyldimethylsilyl chloride (25.5 mmol; 3.85 g) in dry pyridine (10 mL) was added portionwise. The reaction was allowed to proceed for 4 days. The mixture was evaporated to a solid foam, which was then equilibrated between water (200 mL) and DCM (4¡Á100 mL). The organic phase was dried on Na2SO4. The product was purified by silica gel chromatography eluting with 10% ethyl acetate in DCM. The yield was 78%. 1H NMR (CDCl3) delta 4.18-4.25 (m, 4H, OCH2Me), 4.10 (s, 2H, CH2OSi), 4.06 (s, 2H, CH2OH), 2.63 (br s, 1H, OH), 1.26 (t, J=7.0 Hz, 6H, OCH2CH3), 0.85 (s, 9H, Si-SMe3), 0.05 (s, 6H, Me-Si). 13C NMR (CDCl3) delta 169.2 (CO), 63.3 (CH2OH), 62.8 (CH2OSi), 61.6 (spiro C), 61.4 (OCH2Me), 25.6 [C(CH3)3], 18.0 (Si-CMe3), 14.0 (OCH2CH3), -3.6 (Si-CH3). MS [M+H]+obsd. 335.7, calcd. 335.2; [M+Na] obsd. 357.6, calcd. 357.2.

The synthetic route of 20605-01-0 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Alios BioPharma Inc.; US2009/181921; (2009); A1;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Adding a certain compound to certain chemical reactions, such as: 20605-01-0, Diethyl 2,2-bis(hydroxymethyl)malonate, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, Product Details of 20605-01-0, blongs to alcohols-buliding-blocks compound. Product Details of 20605-01-0

General procedure: A solution of diethyl 2,2-bis(hydroxymethyl) malonate(12 mmol), 1 (10 mmol) and sulfonated carbon(1.0 g) were heated to reflux in a mixture of N,N-dimethylformamide(10 mL) and cyclohexane (6 mL)under stirring for 3 h. After cooling to room temperature,the solution was filtered and the solvent was removed in vacuo, the residue was dissolved in EtOAc (15 mL),washed with saturated brine (10 mL ¡Á 2) and water(10 mL¡Á2), dried over anhydrous Na2SO4. The solventwas filtered and concentrated to give 2a-2d as colorless oil.

The synthetic route of 20605-01-0 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Yuan, Lin; Li, Zhong Yan; Zhang, Min; Yuan, Xian You; Zhu, Xiao Qing; Journal of Nanoscience and Nanotechnology; vol. 17; 3; (2017); p. 2201 – 2205;,
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts