Juan Manuel
Garrido-Zoido, 
*a
Franklin
Cajina,
a
Esther
Matamoros,
a
M. Victoria
Gil,
a
Pedro
Cintas
a
and
Juan C.
Palacios
*a
*a
Franklin
Cajina,
a
Esther
Matamoros,
a
M. Victoria
Gil,
a
Pedro
Cintas
a
and
Juan C.
Palacios
*a
Abstract
Polyhydroxylated phenols are components of biomass and precursors of pigments in plants. This paper reports a novel entry to xanthene dyes, involving the reaction of 2,4,6-trihydroxybenzaldehyde with primary aliphatic amines. This catalyst-free synthesis exhibits a high atom economy and can be conducted under eco-friendly conditions and operational simplicity.
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