5-chloro-1,2,4-thiadiazole ethyl 5-chloro-1,3,4-thiadiazole-2-carboxylate tert-butyl 2-oxopiperidine-1-carboxylate 4-oxocyclohexanecarbonitrile 3-chloropyrazine-2-carboxylic acid 3-hydroxypyrazine-2-carboxamide methyl 3-iodopyrazine-2-carboxylate 3-iodopyrazine-2-carboxylic acid 3-chloropyrazine-2-carboxamide 5-bromo-2-phenylthiazole 5-bromo-3-phenyl-1,2,4-oxadiazole (S)-2-(2,2-dimethyl-1,3-dioxolan-4-yl)propan-2-ol METHYL-2-AMINOOXAZOLE-5-CARBOXYLATE Methyl (S)-5-oxotetrahydrofuran-2-carboxylate1.Low temperature reaction technology ( metal halogen replacement, the halogen dance, boric acid technology etc.)
2.Coupling reaction technology ( Suzuki coupling )
3.Heterocyclic chemical technology ( pyridine, pyrimidine, indole, pyrrole, thiophene, pyrazine, furan, benzoxazole, boric acid )
4.Asymmetric synthesis technology ( chiral epoxy technology, enzyme technology )
5.The other core technology ( bromination reaction, phosgenation reaction, format, continuous reaction )
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