90199-67-0Relevant academic research and scientific papers
Enantioselective allylic hydroxylation of w-alkenoic acids and esters by P450 BM3 monooxygenase
Neufeld, Katharina,Henssen, Birgit,Pietruszka, J?rg
, p. 13253 - 13257 (2015/02/19)
Chiral allylic alcohols of w-alkenoic acids and derivatives thereof are highly important building blocks for the synthesis of biologically active compounds. The direct enantioselective C-H oxidation of linear terminal olefins offers the shortest route toward these compounds, but known synthetic methods are limited and suffer from low selectivities. Described herein is an enzymatic approach using the P450 BM3 monooxygenase mutant A74G/L188Q, which catalyzes allylic hydroxylation with high to excellent chemo- and enantioselectivities providing the desirable secondary alcohols.
Bioavailable affinity label for collagen prolyl 4-hydroxylase
Vasta, James D.,Higgin, Joshua J.,Kersteen, Elizabeth A.,Raines, Ronald T.
, p. 3597 - 3601 (2013/07/11)
Collagen is the most abundant protein in animals. Its prevalent 4-hydroxyproline residues contribute greatly to its conformational stability. The hydroxyl groups arise from a post-translational modification catalyzed by the nonheme iron-dependent enzyme, collagen prolyl 4-hydroxylase (P4H). Here, we report that 4-oxo-5,6-epoxyhexanoate, a mimic of the α-ketoglutarate co-substrate, inactivates human P4H. The inactivation installs a ketone functionality in P4H, providing a handle for proteomic experiments. Caenorhabditis elegans exposed to the esterified epoxy ketone displays the phenotype of a worm lacking P4H. Thus, this affinity label can be used to mediate collagen stability in an animal, as is desirable in the treatment of a variety of fibrotic diseases.
N-(α-Ethoxyallyl)benzotriazole: A Novel Propenoyl Anion Synthon Route to Vinyl Ketones
Katritzky, Alan R.,Zhang, Guifen,Jiang, Jinlong
, p. 7589 - 7596 (2007/10/03)
Lithiation with butyllithium of (N-(α-ethoxyallyl)benzotriazole (2) (readily prepared in quantitative yield on a large scale from benzotriazole and acrolein diethyl acetal (9)) followed by reaction of lithio derivative 14 with halides, α,β-unsaturated esters, α,β-unsaturated ketones, and aldehydes gave exclusively α-alkylation adducts.These adducts are hydrolyzed under extremely mild conditions, enabling convenient syntheses of vinyl ketones 16 and functionalized vinyl ketones 21, 22, 24, and 27.
