381438
苯甲醛二甲缩醛
95%
别名:
α,α-二甲氧基甲苯
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关于此项目
线性分子式:
C6H5CH(OCH3)2
化学文摘社编号:
分子量:
152.19
Beilstein:
2044501
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
质量水平
方案
95%
折射率
n20/D 1.493 (lit.)
沸点
87-89 °C/18 mmHg (lit.)
密度
1.014 g/mL at 25 °C (lit.)
官能团
acetal
ether
phenyl
SMILES字符串
COC(OC)c1ccccc1
InChI
1S/C9H12O2/c1-10-9(11-2)8-6-4-3-5-7-8/h3-7,9H,1-2H3
InChI key
HEVMDQBCAHEHDY-UHFFFAOYSA-N
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一般描述
Benzaldehyde dimethyl acetal is an organic building block. Pyridinium tosylate-catalyzed acetal exchange reaction between benzaldehyde dimethyl acetal and 6-O-(tert-butyldiphenylsilyl)-1,2-O-isopropylidene-α-D-glucofuranose is reported to afford 3,5-O-benzylidene-1,2-O-isopropylidene-α-D-glucofuranose. The kinetics of the hydrolysis of benzaldehyde dimethyl acetal over amberlite IR-120 has been studied using a circulated batch reactor in dioxane. One-pot tandem conversion of benzaldehydedimethylacetal to trans-1-nitro-2-phenylethylene has been reported.
应用
Benzaldehyde dimethyl acetal is suitable for use in the synthesis of 4,6-dihydroxy sugar, required for the total synthesis of Porphyromonas gingivalis 381 derived lipid A. It may be used in the preparation of 1-O-methyl-2,3-di-O-galloyl-β-D-glucose.
警示用语：
Warning
危险声明
预防措施声明
危险分类
Acute Tox. 4 Oral
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
156.2 °F - closed cup
闪点(°C)
69 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
新产品
此项目有
Mesoporous silica with site-isolated amine and phosphotungstic acid groups: a solid catalyst with tunable antagonistic functions for one-pot tandem reactions.
N Raveendran Shiju et al.
Angewandte Chemie (International ed. in English), 50(41), 9615-9619 (2011-09-16)
T Ogawa et al.
FEMS immunology and medical microbiology, 28(4), 273-281 (2000-07-13)
A synthetic lipid A of Porphyromonas gingivalis strain 381 (compound PG-381), which is similar to its natural lipid A, demonstrated no or very low endotoxic activities as compared to Escherichia coli-type synthetic lipid A (compound 506). On the other hand
K Akerfeldt et al.
Carbohydrate research, 158, 137-145 (1986-12-15)
Pyridinium tosylate-catalyzed acetal exchange between benzaldehyde dimethyl acetal and 6-O-(tert-butyldiphenylsilyl)-1,2-O-isopropylidene-alpha-D-glucofu ranose was investigated as an alternative to the original procedure of Brigl and Grüner (condensation of a D-glucose triol with benzaldehyde under zinc halide catalysis) for synthesis of 3,5-O-benzylidene-1,2-O-isopropylidene-alpha-D-glucofuranose. The
M Toda et al.
Bioscience, biotechnology, and biochemistry, 65(3), 542-547 (2001-05-02)
The clove ellagitannins and their related polygalloyl-glucoses inhibited maltase activity of rat intestinal alpha-glucosidases. The structure-activity relationship study of those galloylglucoses, varying the extent of galloylation on the glucose core, with the ellagitannins, indicated that an increasing number of galloyl
Kinetics of hydrolysis of benzaldehyde dimethyl acetal over Amberlite IR-120.
Altiokka MR and Hosgun HL.
Industrial & Engineering Chemistry Research, 46(4), 1058-1062 (2007)
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