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1, 5-Benzodiazepines are synthesized from 1, 2-diamines and ketones catalyzed by HY
zeolite at 50° C under solvent-free conditions. This process offers an easy and efficient …

Commercially available partly acetylated glycerols (mono-and diacetins) are a mixture of
glycerol, 1-and 2-acetylglycerol, 1, 2-and 1, 3-diacetylglycerol, and triacetin. No exact …

Er (OTf) 3 is proposed as new efficient Lewis acid catalyst in a mild deprotection protocol of
benzylidene derivatives. In a modified procedure, where acetic anhydride is used as the …

Biodiesel has emerged as an alternative to partially replace diesel. However, the presence
of polyunsaturated fatty acid chains, such as when using soybean oil as starting materials, is …

Ring opening reaction of 1, 2-epoxydodecane to the corresponding diacetate diester is
described. Quaternary ammonium salts were found to be excellent catalysts for the …

Erbium triflate is able to afford vic-diacetates in better yields, lower catalyst amounts and
shorter times than most of the reported methods. Therefore, the present procedure …

Norcaran-2, 3, 4, 5-tetraoles were synthesized starting from methyl 1, 3, 5-cycloheptatriene-7-
carboxylate in several steps. Norcaradiene endoperoxide is the key component; it was …

Direct transformation of structurally different epoxides to the corresponding 1, 2-diacetates
was studied with catalytic amounts of NaBH4, LiAlH4, CaH2, and NaH. The reactions were …

This study was aimed at highly stereoselective ring-opening of epoxides with acetic
anhydride in the presence of molecular sieves 4Å as an efficient reagent. Yields of the 1, 2 …