3,8-dihydroxy-6H-dibenzo(b,d)pyran-6-one | |
Free Online Advertising Free Internet Web Site Advertising. UK Free Classifieds United Kingdom Free Ads Website. 100% Free Ad Posting. Canada Free Ads Popular Online Classifieds in Canada. No Sign up, No Email Required to Post. 3,8-Dihydroxy-6H-dibenzo[b,d]pyran-6-one, commonly referred to as emodin, is a naturally occurring anthraquinone derivative found in various plant species, including rhubarb, buckthorn, and senna. Its distinctive structure, consisting of a fused dibenzo[b,d]pyranone ring system with hydroxyl groups at the 3- and 8-positions, contributes to its diverse biological activities and makes it a significant compound in both natural product chemistry and medicinal research. The history of emodin traces back to traditional medicine, where plants containing this compound were employed for their laxative and anti-inflammatory properties. Early chemical investigations in the 19th century isolated emodin from rhubarb root, and subsequent studies elucidated its structure through advances in spectroscopy and crystallography. Its name derives from *Rheum emodi*, a plant species recognized as a primary source of this compound. Emodin exhibits a range of pharmacological effects due to its ability to interact with multiple biological pathways. It is best known for its laxative properties, attributed to its influence on gastrointestinal motility. Additionally, emodin has demonstrated potential as an anti-inflammatory, antimicrobial, and anticancer agent. Studies suggest that it exerts these effects by modulating enzymes, signaling proteins, and transcription factors, such as nuclear factor kappa B (NF-κB) and mitogen-activated protein kinases (MAPKs). In modern applications, emodin has attracted interest for its role in cancer therapy research. Preclinical studies have indicated its ability to inhibit tumor cell proliferation, induce apoptosis, and suppress metastasis in various cancer models, including colorectal, breast, and lung cancers. These effects are linked to its interaction with pathways regulating cell cycle and oxidative stress. Furthermore, emodin's potential antiviral activity has been explored, particularly against coronaviruses and herpes simplex virus, providing avenues for therapeutic development. Beyond medicine, emodin has been investigated for its use as a natural dye due to its vibrant coloration and chemical stability. In the food and cosmetics industries, it is used as a natural additive, although its safety and dosage must be carefully regulated due to its potent biological activity. While the therapeutic potential of 3,8-Dihydroxy-6H-dibenzo[b,d]pyran-6-one is promising, challenges remain regarding its bioavailability, solubility, and toxicity at high doses. Ongoing research focuses on developing derivatives and formulations to enhance its efficacy and safety profile for clinical applications. Brand: Soarwin CAS No.:1143-70-0 EC Number: 881-478-5 Molecular Formula: C13H8O4 Density : 1.516±0.06 g/cm3 (20 ºC 760 Torr) Melting point : 340-345 ºC Boiling point: 527.9±43.0 ºC (760 mmHg) Flash point: 214.2±21.7 ºC | |
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