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HATU was first reported by Louis A. Carpino in 1993 as an efficient means of preparing active esters derived from 1-hydroxy-7-azabenzotriazole (HOAt). [2] HATU is commonly prepared from HOAt and TCFH under basic conditions [3] and can exist as either the uronium salt (O-form) or the less reactive iminium salt (N-form).
Without a consistent intake of healthy, soluble, and insoluble high-fiber foods in your diet, you'll experience dips in energy, have difficulty losing weight, and also increase 44 Best High-Fiber ...
Hydroxybenzotriazole (abbreviated HOBt) is an organic compound that is a derivative of benzotriazole.It is a white crystalline powder, which as a commercial product contains some water (~11.7% wt as the HOBt monohydrate crystal).
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It is obtained by the reaction of dimethylamine with phosgene in the presence of sodium hydroxide solution followed by extraction with 1,2-dichloroethane. [2] A closely related method involves combining dimethylcarbamoyl chloride with excess dimethylamine Even though the product is contaminated and smelly it may be purified by addition of calcium oxide and subsequent fractional distillation. [3]
Dinner “Beef” and Broccoli Stir Fry. In a large skillet or wok over medium, heat 1 Tbsp olive oil. Add 1 cup cubed tempeh and cook until golden brown on all sides, 5 to 7 minutes.
TCFH itself is a common reagent used in the preparation of uronium and guanidinium salts used for amide bond formation and peptide synthesis, such as HATU. [3] [4] [5]Amide bond formation with TCFH can be performed in a wide range of organic solvents, most commonly acetonitrile, but also water [6] and in the solid state. [7]
Food sources of dietary fiber have traditionally been divided according to whether they provide soluble or insoluble fiber. Plant foods contain both types of fiber in varying amounts according to the fiber characteristics of viscosity and fermentability. [1] [5] Advantages of consuming fiber depend upon which type is consumed. [6]