Verfahren zur Herstellung von Polyalkyl-2-alkoxy-7-hydroxychromanderivate

Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula (V) :wherein R¹ denotes C₁ -C₄ primary alkyl, R² denotes hydrogen or C₁ -C₄ primary alkyl and R³ denotes C₁-C₄ alkyl, by reacting resorcin with   an aliphatic ketone acetal of the general formula (III):wherei...

Full description

Saved in:
Bibliographic Details
Main Authors ISHIGURO, MASAHARU, MITSUI PETROICAL IND., LTD, KUGA-GUN, YAMAGUCHI-KEN, JP, ISHITOKU, TAKESHI, MITSUI PETROICAL IND.,LTD, KUGA-GUN, YAMAGUCHI-KEN, JP, TAKAHASHI, KATSUYA, MITSUI PETROICAL IND.,LTD, KUGA-GUN, YAMAGUCHI-KEN, JP, IMUTA, JUNICHI, MITSUI PETROICAL IND.,LTD., KUGA-GUN, YAMAGUCHI-KEN, JP, MUKAIYAMA, TERUAKI, 15-18 MINAMIOGIKUBO 1 CHOM, TOKYO, JP, TASHIRO, TAKASHI, MITSUI PETROICAL IND.,LTD., KUGA-GUN, YAMAGUCHI-KEN, JP, TAN, HIROAKI, MITSUI PETROICAL IND.,LTD., KUGA-GUN, YAMAGUCHI-KEN, JP, FUKUOKA, DAISUKE, MITSUI PETROICAL IND.,LTD., KUGA-GUN, YAMAGUCHI-KEN, JP, KIHARA, NORIAKI, MITSUI PETROICAL IND.,LTD, KUGA-GUN, YAMAGUCHI-KEN, JP
Format Patent
LanguageGerman
Published 13.04.1995
Edition5
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
Online AccessGet full text

Cover

More Information
Summary:Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivative of the general formula (V) :wherein R¹ denotes C₁ -C₄ primary alkyl, R² denotes hydrogen or C₁ -C₄ primary alkyl and R³ denotes C₁-C₄ alkyl, by reacting resorcin with   an aliphatic ketone acetal of the general formula (III):wherein R¹ , R² and R³ are as defined above, in the presence of an acid catalyst.
Bibliography:Application Number: DE19906013773T