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21.
Hassan Zali Boeini 《Helvetica chimica acta》2009,92(7):1268-1272
Thieno[2,3‐b]indole derivatives were efficiently prepared via the reaction of 1,3‐dihydro‐2H‐indole‐2‐thiones with α‐bromo‐substituted ketones or aldehydes and in the presence of Et3N (Scheme 2 and Table). The reaction took place under very mild conditions and in short times with good to excellent yields. 相似文献
22.
Pentylpyridinium tribromide and aqueous ammonium acetate was used for the rapid oxidative conversion of benzyl alcohols, benzaldehydes and benzyl amines to the corresponding benzonitriles in good to excellent yields. This simple, mild and one-pot system provides easy workup and separation of the products. 相似文献
23.
A convenient and efficient procedure was developed for preparing α,α′‐icyanostilbenes through the oxidative coupling reaction of benzyl cyanide derivatives using N‐benzyl DABCO tribromide as the oxidative bromination reagent in the presence of K2CO3 as a base. 相似文献