Catalytic Alkynylation of Cyclic Acetals and Ketals Enabled by Synergistic Gold(I)/Trimethylsilyl Catalysis

Autor: Catherine Taillier, Vincent Dalla, Mathéo Berthet, Olivier Songis

Publikováno v: Journal of Organic Chemistry
Journal of Organic Chemistry, American Chemical Society, 2017, 82 (18), pp.9916-9922. ⟨10.1021/acs.joc.7b01828⟩

International audience; A completely regioselective and challenging gold(I)-catalyzed ring-opening of cyclic 1,3-dioxolanes and dioxanes by trimethylsilyl alkynes to set diol-derived propargyl trimethylsilyl bis-ethers is reported. This unprecedented

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::467f1bf5af78abd4fe5b25f5711d275c
https://pubmed.ncbi.nlm.nih.gov/28812891

Regioselective Oxidative Cleavage of Benzylidene Acetals: Synthesis of α- and β-Benzoyloxy Carboxylic Acids

Autor: Sundarababu Baskaran, Amit Banerjee, Ponminor Senthil Kumar

Publikováno v: Angewandte Chemie. 122:816-819

(Chemical Equation Presented) Ruthenium has twice the fun: The synthetic potential of the highly regio- and stereoselective title reaction, which relies on two oxidative cleavage steps promoted by RuCI3 in combination with NaIO 4 (see example; Bz = b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c7aae97a52414b8d6527ea16128b2d5
https://doi.org/10.1002/ange.200905952

A chemoselective oxidation of monosubstituted ethylene glycol: Facile synthesis of optically active ?-hydroxy acids

Autor: Kiran Chinthapally, Sundarababu Baskaran

Publikováno v: IndraStra Global.

A mild and efficient method for the synthesis of optically active ?-hydroxy acids through chemoselective oxidation of monosubstituted ethylene glycols using the TEMPO-NaOCl reagent system is described. It is evident from our studies that the solvent,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ee22b893288a9fe50955260102e54bd
http://hdl.handle.net/11717/15509

Regioselective Oxidative Cleavage of Benzylidene Acetals: Synthesis of Highly Functionalized Chiral Intermediates

Autor: Sundarababu Baskaran, Pon Minor Senthilkumar, Appu Aravind

Publikováno v: ChemInform. 38

A mild and efficient method for the regioselective oxidative cleavage of benzylidene acetals with KBrO 3 /Na 2 S 2 O 4 under bi-phasic conditions (EtOAc/H 2 O), leading to highly functionalized chiral intermediates, is reported.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ec94f0e541f162221a98f706ae9f9a5
https://doi.org/10.1002/chin.200721171

The FEMA GRAS assessment of phenethyl alcohol, aldehyde, acid, and related acetals and esters used as flavor ingredients

Autor: Adams, T.B., Cohen, S.M., Doull, J., Feron, V.J., Goodman, J.I., Marnett, L.J., Munro, I.C., Portoghese, P.S., Smith, R.L., Waddell, W.J., Wagner, B.M.

Publikováno v: Food and Chemical Toxicology, 8, 43, 1179-1206

This publication is the ninth in a series of safety evaluations performed by the Expert Panel of the Flavor and Extract Manufacturers Association (FEMA). In 1993, the Panel initiated a comprehensive program to re-evaluate the safety of more than 1700

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::14cdc8e870fa2a319943eed68cde85d6
http://resolver.tudelft.nl/uuid:b086818d-ed7f-48d6-a5e5-6878cae3949c