Chemistry is traditionally divided into organic and inorganic chemistry. HPLC of Formula: C10H7NO4, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 33282-15-4
A practical and efficient synthesis of 3-substituted hexahydropyrrolo[2,3- b]indole is described. The addition/cyclization of 3-substituted indoles with alpha,beta-dehydroamino esters in the presence of a Lewis acid provides hexahydropyrrolo[2,3-b]indole adducts in good yields and stereoselectivities. This approach has been applied to the concise synthesis of esermethole employing an appropriately substituted indole and an N-acyl dehydroamino ester.
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Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem