Journal ArticleDOI
A new method for the preparation of tertiary butyl ethers and esters
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TLDR
T-butyl 2,2,2-trichloroacetimidate is an efficient reagent for the preparation of t- butyl ethers and esters in the presence of a catalytic amount of boron trifluoride etherate.About:
This article is published in Tetrahedron Letters.The article was published on 1988-01-01. It has received 152 citations till now. The article focuses on the topics: Trichloroacetonitrile & Boron trifluoride.read more
Citations
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Journal ArticleDOI
A stereoselective route to bioactive nucleotide phosphonate analogs
TL;DR: A stereoselective route where the key step involves an iodoetherification of a α-hydroxyphosphonate to generate the trans tetrahydrofuran with high stereoselectedivity is described.
Journal ArticleDOI
Solid-phase peptide synthesis without side-chain hydroxyl protection of threonine.
TL;DR: Comparison of the crude peptides after deprotection and detachment from the synthesis resin suggests that side-chain protection of threonine is unnecessary under the synthetic conditions employed.
Journal ArticleDOI
Mesoporous material as catalyst for the production of fine chemical: Synthesis of dimethyl phthalate assisted by hydrophobic nature MCM-41
TL;DR: In this article, aluminum, iron and zinc containing MCM-41 molecular sieves were prepared by the hydrothermal method and the catalyst was characterized by the XRD, BET (surface area), FT-IR and 29 Si, 27 Al MAS-NMR techniques.
Book ChapterDOI
6.09 Synthesis of Esters and Lactones
TL;DR: This chapter represents a comprehensive overview of different protocols for the preparation of esters and lactones and serves as an update to the review published in Comprehensive Organic Synthesis – Volume 1.
Dissertation
Inhibitors of bacterial and mammalian hyaluronidases: design, synthesis and structure-activity relationships with focus on human enzymes
TL;DR: 6-O-[11-(4-phenylphenoxy)undecanoyl]ascorbic acid was identified as one of the most potent low molecular weight inhibitors of human PH-20 known so far with an IC50 value of 1.3 µM.
References
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Journal ArticleDOI
New Methods for the Synthesis of Glycosides and Oligosaccharides—Are There Alternatives to the Koenigs‐Knorr Method? [New Synthetic Methods (56)]
TL;DR: Emphasis is placed on glycoside and saccharide formation by 1-O-alkylation, on the trichloroacetimidate method, and on activation through the formation of glycosylsulfonium salts and Glycosyl fluorides.
Journal ArticleDOI
Imidoester, I. Darstellung von Trichloracetimidsäureestern
TL;DR: In this article, trichloracetonitril lagert leicht Alkohole unter Bildung von Trichloracetimidsaureestern an: die Reaktion wird durch Alkali (Alkoholat, Salze der Alkoxysauren, Carbonat) katalysiert.
Journal ArticleDOI
Darstellung von Carbonsäureestern mittels O‐Alkyl‐N.N′‐dicyclohexyl‐isoharnstoffen
TL;DR: O-Alkyl-N.N′-dicyclohexyl-isoharnstoffe reagieren mit carbonsauren zu Carbonsaureestern.
Journal ArticleDOI
Imidoester, V. Die Umlagerung von Trichloracetimidaten zu N‐substituierten Säureamiden
TL;DR: In this paper, the durch Bortrifluorid katalysierte Umlagerung von Alkyl-trichloracetimidaten (I, R = CCl3, R′ = Alkyls, R″ = H) zu N-substituierten Saureamiden verlauft uber einen ionischen Mechanismus.
Journal ArticleDOI
Convenient one-pot esterification of N-protected aminoacids via isopropenyl chloroformate activation.
TL;DR: In this paper, N-protected aminoacids by isopropenyl chloroformate leads to esters of primary, secondary and tertiary alcohols with 4-dimethylamino-pyridine as catalyst.
Related Papers (5)
t-Butyl Esters of Amino Acids and Peptides and their Use in Peptide Synthesis1
Benzyl trichloroacetimidate, a versatile reagent for acid-catalysed benzylation of hydroxy-groups
Tommy Iversen,David R. Bundle +1 more