1-(5-Hy-droxy-2,2,8,8-tetra-methyl-2H,8H-pyrano[2,3-f]chromen-6-yl)ethanone.
Acta Crystallogr Sect E Struct Rep Online
; 68(Pt 10): o3048, 2012 Oct 01.
Article
em En
| MEDLINE
| ID: mdl-23125810
ABSTRACT
In the title compound, C(18)H(20)O(4),the pyran ring of the chromene unit adopts a half-chair conformation. An intra-molecular O-Hâ¯O hydrogen bond occurs. In the crystal, mol-ecules are linked along the b axis by C-Hâ¯O hydrogen bonds.
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01-internacional
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MEDLINE
Idioma:
En
Ano de publicação:
2012
Tipo de documento:
Article