70905-65-6Relevant academic research and scientific papers
Carotenoids and related polyenes. Part 5. Lewis acid-promoted stereoselective rearrangement of 5,6-epoxy carotenoid model compounds
Yamano, Yumiko,Tode, Chisato,Ito, Masayoshi
, p. 2569 - 2581 (2007/10/03)
The novel acyclic tetrasubstituted olefinic end group and the cyclopentyl end group of carotenoids were obtained by Lewis acid-promoted stereoselective rearrangement of the epoxide end group of 5,6-epoxy carotenoids. The scope and limitation of this rearr
Stereoselective rearrangement of 5,6-epoxy carotenoid model compounds
Yamano, Yumiko,Tode, Chisato,Ito, Masayoshi
, p. 1337 - 1339 (2007/10/03)
Carotenoids with novel acyclic tetrasubstituted olefinic and cyclopentyl end groups are obtained by Lewis acid-promoted stereoselective rearrangement of the epoxide end group of 5,6-epoxy carotenoids.
88. Technical Procedures for the Syntheses of Carotenoids and Related Compounds from 6-Oxo-isophorone: Syntheses of (3R,3'R)-Zeaxanthin
Soukup, Milan,Widmer, Erich,Lukac, Theodor
, p. 868 - 873 (2007/10/02)
Starting from the readily available, optically active (4R)-hydroxy-2,2,6-trimethylcyclohexanone (2), a new technical synthesis of (3R,3'R)-zeaxanthin is described.According to a completely new C9 + C2 + C4= C15 scheme, the ketone 2 was protected, ethynyla
Ethynylcyclohexene compounds
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, (2008/06/13)
A process for the manufacture of compounds of the general formula STR1 wherein R1 signifies hydroxy or an etherified hydroxy group, and of zeaxanthin by converting a compound of the general formula STR2 wherein R1 has the above signi
Method of producing coloring agents
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, (2008/06/13)
A method of stereo-specifically synthesizing Zeaxanthin and alloxanthin, natural food coloring agents from 2,6,6-trimethyl-1,4-cyclohexanedione including intermediates in this synthesis.
