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HRID 654611作成日:2026年10月26日

Bromoform → Dimethyl 2-bromo-2-methylmalonate

https://huagongshe.com/reaction/654611

反応式

関与物質

役割名称HCID仕込み量
反応物BromoformHCID 5558—
反応物Carbon tetrabromideHCID 11205—
反応物Dimethyl methylmalonateHCID 69104—
触媒Tetrabutylammonium Fluoride TrihydrateHCID 11726816—
溶媒TetrahydrofuranHCID 8028—
生成物Dimethyl 2-bromo-2-methylmalonateHCID 1268174187.5%

反応手順

A solution of 3.25 g tetrabromomethane (10 mmol), 1.46 g dimethyl methylmalonate (10 mmol), and 100 mg tetra-n-butylammonium fluoride trihydrate (0.316 mmol) in 5 mL tetrahydrofuran (THF) was stirred for 10 min at 24° C. Gas chromatographic analysis of the resulting mixture showed that it contained 87% yield of both dimethyl α-bromo-α-methylmalonate (1.97 g) and bromoform (2.2 g).

情報源と証拠

DOI10.6084/m9.figshare.5104873.v1
特許番号US05132475
出典データセットuspto-grants-1992_07
ORD IDord-2a12a76e248e475dbe388e32650d1b85
出典メモuspto-grants-1992_07