These common heterocyclic compound, 3814-30-0, name is (Bromomethyl)cyclopentane, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Computed Properties of C6H11Br
General procedure: General Procedure: In a 10 mL Schlenk tube were placed CoBr2 (0.3 M in THF, 0.10 mL, 0.030mmol), 1,3-diisopropylbenzimidazolium bromide (L2, 8.5 mg, 0.030 mmol), 2-alkenylpyridine(0.30 mmol), alkyl chloride (0.45 mmol), N,N,N,?N?-tetramethylethylenediamine (90 muL, 0.60mmol) and THF (0.28 mL). To the mixture was added a THF solution of tBuCH2MgBr (0.96 M,0.63 mL, 0.60 mmol) dropwise at 0 C. The resulting mixture was stirred at room temperature for12 h, and then quenched by the addition water (1.0 mL). The organic layer was separated, and the aqueous layer was extracted with ethyl acetate (3 x 3 mL). The combined organic layer was dried over Na2SO4 and concentrated under reduced pressure. The crude product was purified by silicagel chromatography to afford the alkylation product.
The synthetic route of (Bromomethyl)cyclopentane has been constantly updated, and we look forward to future research findings.
Reference:
Article; Yamakawa, Takeshi; Seto, Yuan Wah; Yoshikai, Naohiko; Synlett; vol. 26; 3; (2015); p. 340 – 344;,
Bromide – Wikipedia,
bromide – Wiktionary