RETRO CAROTENOIDS WITH SUBSTITUTED 2,5-OXA-BICYCLOHEPTANE END GROUPS

DOI: 10.1016/S0040-4039(01)93036-9

Source and publish data:

Tetrahedron Letters p. 4541 - 4544 (1981)

Update date:2022-09-26

Topics:

Authors:

Aareskjold, Kare

Kayser, Hartmut

Liaaen-Jensen, Synnove

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Article abstract of DOI:10.1016/S0040-4039(01)93036-9

BF3-mediated formation of a 2,5-oxygen bridge from carotenoids with 2-hydroxy-β-type end groups accompanied by dehydrogenation and retro shift of the polyene system is reported.The configuration of the Δ6,6' double bonds are established by 1H NMR.

Full text of DOI:10.1016/S0040-4039(01)93036-9

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Product name:(1S,4R)-1,3,3-Trimethyl-2-[(2E,4E,6E,8E,10E,12E,14E,16E)-3,7,12,16-tetramethyl-18-[2,6,6-trimethyl-cyclohex-2-en-(E)-ylidene]-octadeca-2,4,6,8,10,12,14,16-octaen-(E)-ylidene]-7-oxa-bicyclo[2.2.1]heptane

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