It’s only fair to share… CAS 74102-02-6 Molecular Formula: C15H17NO3 Molecular Weight: 259.305 g/mol 2-(((2-hydroxyphenyl)amino)methylene)-5,5-dimethylcyclohexane-1,3-dione (39): White solid; m.p. 249 o C; TLC Rf value, 0.48 (in EtOAc:Hexane,60:40); IR (neat) 2980, 2950, 1678, 1040 cm-1; 1 H NMR (400 MHz, CD3OD) δ 9.86 (1H, bs), 8.66 (1H, d, J = 16.0 Hz), 7.46- 7.34 (1H, m), …
Tag «synthesis»
The greening of peptide synthesis
It’s only fair to share… The greening of peptide synthesis Stefan B. Lawrenson,a Roy Arava and Michael North*a *Corresponding authors aGreen Chemistry Centre of Excellence, Department of Chemistry, University of York, York, UK E-mail: Michael.north@york.ac.uk Abstract The synthesis of peptides by amide bond formation between suitably protected amino acids is a fundamental part of …
4-Pentenoic acid, 5-(3,4-methylenedioxyphenyl)-3-oxo-, ethyl ester
It’s only fair to share… 4-Pentenoic acid, 5-(3,4-methylenedioxyphenyl)-3-oxo-, ethyl ester cas 860547-52-0 MF C14 H14 O5 4-Pentenoic acid, 5-(1,3-benzodioxol-5-yl)-3-oxo-, ethyl ester Molecular Weight, 262.26 Melting Point (Experimental) Value: 58-60 °C Purification of the residue by flash column chromatography (10% ethyl acetate in hexanes) afforded the β-keto ester (12.0 g, 90%) as a pale yellow oil. …