Synthese von ( R )‐β, β‐Carotin‐2‐ol und (2 R , 2′ R )‐β, β‐Carotin‐2,2′‐diol | Zendy

Gut Samuel | Zendy; Wolleb Heinz | Zendy; Pfander Hanspeter | Zendy

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Synthese von ( R )‐β, β‐Carotin‐2‐ol und (2 R , 2′ R )‐β, β‐Carotin‐2,2′‐diol

Author(s) -

Gut Samuel,

Wolleb Heinz,

Pfander Hanspeter

Publication year - 1989

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19890720312

Subject(s) - chemistry , geraniol , epoxide , diol , stereochemistry , enantiomer , optically active , organic chemistry , catalysis , chromatography , essential oil

Synthesis of ( R )‐β, β‐Caroten‐2‐ol and (2 R , 2′ R )‐β, β‐Carotene‐2,2′‐diol Starting from geraniol, the two carotenoids ( R )‐β, β‐caroten‐2‐ol ( 1 ) and (2 R , 2′ R )‐β, β‐carotene‐2,2′‐diol ( 3 ) were synthesized. The optically active cyclic building block was obtained by an acid‐catalysed cyclisation of the epoxide ( R )‐ 4 . The enantiomeric excess of the product was > 95 %.

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