Background and overview[1] 2-Nitrophloroglucinol can be used as a pharmaceutical synthesis intermediate. If 2-nitrophloroglucinol is inhaled, move the…
Background and overview[1] 3-Methylsulfonylbenzenesulfonyl chloride can be used as a pharmaceutical synthesis intermediate. If 3-methylsulfonylbenzene…
Background and overview[1] Tetrahydrofuran derivatives are important organic intermediates that are present in many natural products (pheromones, poly…
Background and overview[1] Toluidine can be used as a pharmaceutical synthesis intermediate. Preparation[1] The specific steps for the preparation of …
Overview[1] Phenol-chloroform-isoamyl alcohol mixture is also called phenol-chloroform-isoamyl alcohol mixture, which refers to a mixture composed of …
Overview[1][2] Benzisoxazole (benzyl imide acid) is a type of benzoheterocyclic compound containing adjacent oxygen atoms and nitrogen atoms, which ha…
Overview[1-2] Phenylthiohydantoin-tryptophan is a white crystal with a special sweet taste. Soluble in water, hot ethanol and sodium hydroxide or pota…
Overview[1][2] Aciodobenzoic acid is an acid derivative that can be used as a pharmaceutical synthesis intermediate. Structure Preparation method[1] T…
Background and overview[1] 2-Hydrazino-1,3-benzoxazole is an organic intermediate, which can be obtained by the reaction of 2-chlorobenzoxazole and hy…
Overview[1-2] Benzoyl urea appears as leaf-shaped crystals in ethanol and can be decomposed into benzamide and cyanuric acid when heated. It can be us…
Background and overview[1] 2,4-Dichlorobenzamide is a pharmaceutical intermediate that can be prepared from 2,4-dichlorobenzoic acid. Preparation[1] M…
Background and overview[1][2] 5-Chloro-1-[1-[3-(2-oxo-1,3-dihydrobenzimidazol-1-yl)propyl]-4-piperidinyl]-1,3- Dihydrobenzimidazole-2-one maleate is d…