111025-83-3Relevant articles and documents
Asymmetric Total Synthesis of (-)-Vinigrol
Min, Long,Lin, Xiaohong,Li, Chuang-Chuang
, p. 15773 - 15778 (2019)
A new strategy was developed for the asymmetric total synthesis of (-)-vinigrol. The strategy involved a linear sequence of 15 steps from 3-methyl-butanal (14 steps from chloro-dihydrocarvone) and did not need protecting groups. The synthetically challenging 1,5-butanodecahydronaphthalene core was constructed efficiently via a type II intramolecular [5+2] cycloaddition, followed by a unique ring-contraction cascade.
Synthesis method of vinigrol
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, (2021/03/10)
The invention relates to a synthesis method of vinigrol. The synthesis method of the vinigrol comprises the following steps: by taking a synthesis starting point as a synthesis starting point, and carrying out a series of reactions such as an acylation reaction, an aromatization reaction, a bimolecular nucleophilic substitution reaction, a rearrangement reaction, an addition reaction, a hydroboration oxidation reaction, a ring shrinkage reaction and a redox reaction to obtain the vinigrol. The synthesis method of the vinigrol has the advantages of simpler synthesis route and fewer steps.
Method for asymmetrically synthesizing Vinigrol
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Paragraph 0083; 0217-0261, (2020/05/30)
The invention discloses a method for asymmetrically synthesizing Vinigrol. According to the method, a ten-membered carbocyclic compound is constructed through an oxy-Cope rearrangement reaction, and acascade reaction of trans-ring intramolecular Diels-Alder/CO2 removal is developed to obtain a Vingrol key cage-shaped skeleton structure; and in the subsequent synthesis of the Vingrol, the oxidation state adjustment of the key intermediate is realized through [4+2] reaction, reduction reaction and singlet oxygen oxidation reaction of singlet oxygen so as to complete the synthesis of the optically pure (-)-Vingrol. According to the invention, the method can also be used for synthesizing optically pure (+)-Vingrol and racemic (+/-)-Vingrol; and a plurality of Vinigrol analogues can also be obtained from the key intermediate after the Diels-Alder/CO2 removal reaction; and reaction operation in synthesis is simple, the method can be widely popularized and used, and sufficient samples are provided for activity testing.