منابع مشابه
Carbonic acid monoethyl ester as a pure solid and its conformational isomerism in the gas-phase
The monoesters of carbonic acid are deemed to be unstable and decompose to alcohol and carbon dioxide. In spite of this, we here report the isolation of the elusive carbonic acid monoethyl ester (CAEE) as a pure solid from ethanolic solutions of potassium bicarbonate. The hemiester is surprisingly stable in acidic solution and does not experience hydrolysis to carbonic acid. Furthermore, it is ...
متن کاملCaffeic acid phenethyl ester as a remedial agent for reproductive functions and oxidative stress-based pathologies of gonads
In recent years, the studies on the roles of caffeic acid phenethyl ester (CAPE) in several disease models and cell cultures are tremendously growing. It is such a great molecule that was used by ancient times to ameliorate some diseases and nowadays, it is used by modern medicine to test the effectiveness. In this mini-review article, the protection capability of CAPE, as a liposoluble antioxi...
متن کاملTunnelling in carbonic acid.
The cis,trans-conformer of carbonic acid (H2CO3), generated by near-infrared radiation, undergoes an unreported quantum mechanical tunnelling rotamerization with half-lives in cryogenic matrices of 4-20 h, depending on temperature and host material. First-principles quantum chemistry at high levels of theory gives a tunnelling half-life of about 1 h, quite near those measured for the fastest ro...
متن کاملAqueous carbonic acid (H2CO3).
Carbonic acid (H2CO3) is a molecule right at the interface between organic and inorganic chemistry. In fact, according to some definitions it is an organic molecule, while according to others it is an inorganic molecule. Its exceptionality can also be recognized from the fact that it formally belongs neither to the mononor dicarboxylic acids, even though it is a C1 diprotic acid. The diprotic n...
متن کاملHydroxamic acid as anticancer agent
Hydroxamic acids serve as a monsulfhydril bisubstrate analog inhibition of fernesyl protein transferase (FPT), the enzyme catalysing fernesylation of p21ras. Tumor necrosis factor (TFN) is specifically prevented by synthetic hydroxamic acid-based metalloproteinase inhibitors. Suberoyanilide hydroxamic acid (SAHA) have been identified as histone deacetylase inhibitors based on their ability to i...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1840
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(00)40012-7