67121-26-0

Upstream product

• 4720-68-7 4,5-methylenedioxy-2-hydroxybenzaldehyde 
• 19202-23-4 5-hydroxy-6-(2-propenyl)-1,3-benzodioxole 
• 19202-22-3 O-allyl-sesamol 
• 533-31-3 Sesamol 
• 85593-81-3 2-(2',4'-dibenzyloxyphenyl)-5,6-methylenedioxybenzofuran 
• 33617-59-3 1,3-dihydroxy-4-dihydroxymethyl benzene 
• 89-86-1 4-hydroxysalicylic acid 
• 85593-76-6 methyl 2,4-bis(benzyloxy)benzoate 
• 193757-32-3 4,5-methylenedioxy-2-(1-propenyl)phenol 
• 85593-77-7 2,4-bis(benzyloxy)benzoic acid 
• 2150-47-2 methyl 2,4-dihydroxybenzoate 
• 158744-60-6 5-[(Z)-1-(2,4-Bis-benzyloxy-phenyl)-propenyloxy]-6-((E)-propenyl)-benzo[1,3]dioxole 
• 121903-71-7 2,4-bis(benzyloxy)benzoyl chloride 

Relevant academic research and scientific papers

Phenyl benzofuran compound as well as preparation method, composition, and medical applications thereof

The invention discloses a phenyl benzofuran compound as well as a preparation method, a composition, and medical applications thereof. The structure of the phenyl benzofuran compound is: characterizedin that the formulas are shown in the specificationdescription. The invention discloses a traditional Chinese medicine extracting method of the phenyl benzofuran compound using a moonseed rhizomerhizoma menispermirough powder as a raw material.The invention discloses a chemical synthetic method of phenyl benzofuran compound using 2,4-dihydroxybenzoic acid as starting materials.The invention discloses a composition containing the phenyl benzofuran compound, and an active ingredient of the composition is the phenyl benzofuran compound.The invention also discloses the application of the phenyl benzofuran compound in the preparation of a drug or food or health product preventing or treating a tumor, and the tumor is nasopharyngeal carcinoma.According to the invention, the phenyl benzofuran compound can be prepared by the traditional Chinese medicine extracting method and the chemical synthetic method, and meanwhile, an in vitro tumor cell experiment proves that phenyl benzofuran has an inhibiting effect on both nasopharyngeal carcinoma cells CNE-1 and CNE-2.

The Synthesis of Cyclic Enol Ethers via Molybdenum Alkylidene-Catalyzed Ring-Closing Metathesis

An efficient method for the construction of five- and six-membered cyclic vinyl ethers from unsaturated esters using stoichiometric titanium reagents to convert the esters to acyclic olefinic enol ethers which are then transformed to the desired products by catalytic ring-closing olefin metathesis with a molybdenum alkylidene complex is described.

Natural Benzofurans: Synthesis of the Arylbenzofuran Constituents of Sophora tomentosa

The structure, 2-(2',4-dihydrophenyl)-5,6-methylenedioxybenzofuran (1), suggested for Sophora compound I has been confirmed by a synthesis in which the benzofuran heterocycle was constructed by an intramolecular Wittig reaction of an o-bromomethylphenyl a