5,9-Dihydroxy-8-methoxy-2,2-dimethyl-7-(3-methyl-2-buten-1-yl)-3,4-dihydro-2H,6H-pyrano[3,2-b]xanthen-6-one(CAS: 19275-46-8)

5,9-Dihydroxy-8-methoxy-2,2-dimethyl-7-(3-methyl-2-buten-1-yl)-3,4-dihydro-2H,6H-pyrano[3,2-b]xanthen-6-one (CAS: 19275-46-8) is a crystalline solid with a molecular weight of approximately 442.44 g/mol. It has a low solubility in water but is more soluble in organic solvents like methanol and chloroform. The compound exhibits limited reactivity under normal conditions but can undergo condensation and ring-opening reactions under specific conditions.

5,9-Dihydroxy-8-methoxy-2,2-dimethyl-7-(3-methyl-2-buten-1-yl)-3,4-dihydro-2H,6H-pyrano[3,2-b]xanthen-6-one (CAS: 19275-46-8) can be synthesized via a multi-step process involving the condensation of a suitable methoxycinnamic acid derivative with a 2-methylbutenone under basic conditions. The reaction typically proceeds with a yield of 70-80%, and the product is purified by column chromatography using a silica gel column.

5,9-Dihydroxy-8-methoxy-2,2-dimethyl-7-(3-methyl-2-buten-1-yl)-3,4-dihydro-2H,6H-pyrano[3,2-b]xanthen-6-one (CAS: 19275-46-8) is primarily used in the pharmaceutical and chemical industries. It has applications in the development of new drugs and as a precursor in the synthesis of other complex organic compounds.

When handling 5,9-Dihydroxy-8-methoxy-2,2-dimethyl-7-(3-methyl-2-buten-1-yl)-3,4-dihydro-2H,6H-pyrano[3,2-b]xanthen-6-one (CAS: 19275-46-8), it is important to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Work should be conducted in a well-ventilated area or under a fume hood. In case of a spill, neutralize the compound with an appropriate neutralizing agent and dispose of waste according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed handling instructions.