A general method for the ring closure of 1-substituted 2-(- hydroxymethyl)-phenylethanols to 3-substituted isochromanes using p-TsOH supported on silica gel is reported.
Improved procedure for 3,4-dihydro-1H-2-benzopyran ring closure. A general access to 3-substituted isochromanes
Antonioletti R;
1998
Abstract
A general method for the ring closure of 1-substituted 2-(- hydroxymethyl)-phenylethanols to 3-substituted isochromanes using p-TsOH supported on silica gel is reported.File in questo prodotto:
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