منابع مشابه
Higher aliphatic 2,4-diketones: a ubiquitous lipid class with chelating properties, in search of a physiological function.
A group of homologous 2,4-diketones with chain lengths from C13 to C25, derived from fatty acids, is present in human and mammalian tissues and urine. The presence of this lipid class, members of which possess marked chelating properties, adequately accounts for the well-documented antiallergic activity of tissue and urine extracts on isolated smooth muscle preparations and in guinea pigs in vi...
متن کاملThiazolium-catalyzed intermolecular Stetter reaction of linear and cyclic alkyl α-diketones.
An efficient method for the N-heterocyclic carbene (NHC)-catalyzed conjugate addition of acetyl anions to various α,β-unsaturated acceptors (Stetter reaction) has been optimized by using 2,3-butandione (biacetyl) as an alternative surrogate of acetaldehyde. The disclosed procedure proved to be compatible with microwave dielectric heating for reaction time reduction and with the use of different...
متن کاملEnantioselective Synthesis of D-α-Amino Amides from Aliphatic Aldehydes.
Peptides consisting of D-amino amides are highly represented among both biologically active natural products and non-natural small molecules used in therapeutic development. Chemical synthesis of D-amino amides most often involves approaches based on enzymatic resolution or fractional recrystallization of their diastereomeric amine salts, techniques that produce an equal amount of the L-amino a...
متن کاملUltrasound-assisted synthesis of aliphatic acid esters at room temperature.
This work describes the ultrasound-assisted synthesis of saturated aliphatic esters from synthetic aliphatic acids and either methanol or ethanol. The products were isolated in good yields after short reaction times under mild conditions.
متن کامل(CF3CO)2O/CF3SO3H-mediated synthesis of 1,3-diketones from carboxylic acids and aromatic ketones
A very simple and convenient reaction for 1,3-diketone preparation from carboxylic acids and aromatic ketones in TFAA/TfOH system is described. When the β-phenylpropionic acids were used as starting materials, they initially gave 1-indanones and then underwent further acylation with the formation of 2-(β-phenylpropionyl)-1-indanones as the main reaction products. In addition, the application of...
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ژورنال
عنوان ژورنال: Journal of Synthetic Organic Chemistry, Japan
سال: 1974
ISSN: 0037-9980,1883-6526
DOI: 10.5059/yukigoseikyokaishi.32.45