1962-27-2Relevant academic research and scientific papers
Zeolite-catalyzed simple synthesis of isochromans via the oxa-Pictet-Spengler reaction
Hegedues, Adrienn,Hell, Zoltan
, p. 1220 - 1222 (2006)
The synthesis of isochromans via oxa-Pictet-Spengler reaction using a modified small pore size zeolite E4 as catalyst was investigated. Ersorb-4 (E4) is a clinoptylolite-type zeolite material with high silicon content. The reaction of 2-phenylethanol deri
Efficient C(sp3)-H bond functionalization of isochroman by azadol catalysis
Muramatsu, Wataru,Nakano, Kimihiro
supporting information, p. 1549 - 1552 (2015/03/30)
A novel organocatalytic C(sp3)-H bond functionalization of isochroman under practical conditions has been developed. In the presence of 5.0 mol % of AZADOL, the catalysis proceeded successfully with a broad range of substrates and nucleophiles in excellent yields.
Organocatalytic approach for C(sp3)-H bond arylation, alkylation, and amidation of isochromans under facile conditions
Muramatsu, Wataru,Nakano, Kimihiro
supporting information, p. 2042 - 2045 (2014/05/06)
A new catalytic approach for the synthesis of isochroman derivatives via direct C(sp3)-H bond arylation is described. The oxidation reaction with [bis(trifluoroacetoxy)iodo]benzene facilitates the regeneration of 2,3-dichloro-5,6-dicyano-1,4-benzoquinone in the C(sp3)-H bond arylation of isochroman. The reaction conditions can also be used for alkyl Grignard reagents and amides to afford the corresponding isochroman derivatives.
Simple and direct sp3 C-H bond arylation of tetrahydroisoquinolines and isochromans via 2,3-dichloro-5,6-dicyano-1,4- benzoquinone oxidation under mild conditions
Muramatsu, Wataru,Nakano, Kimihiro,Li, Chao-Jun
supporting information, p. 3650 - 3653 (2013/08/23)
The 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)-mediated sp3 C-H bond arylation of tetrahydroisoquinolines and isochromans is described. The corresponding products were facilely synthesized via a simple nucleophilic addition reaction betwee
