500-02-7Relevant academic research and scientific papers
Total syntheses of (+)-adunctins C and D: Assignment of their absolute configurations
Luo, Gan,Peng, Yu,Wang, Ya-Wen,Xiao, Jian,Zhao, Jun
supporting information, p. 9840 - 9843 (2021/12/07)
The first total synthesis of (+)-adunctin C (ent-1) and (+)-adunctin D (2), two monoterpene-substitued dihydrochalcones isolated from Piper aduncum (Piperaceae), was achieved. A regioselective oxidative [3 + 2] cycloaddition of acylphloroglucinol with (-)-β-phellandrene was developed to construct their unique spirobenzofuran skeleton. The absolute configurations of natural adunctins 1 and 2 were thus assigned through these endeavors. This journal is
FUSED RING COMPOUNDS
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Paragraph 0753, (2020/03/05)
Provided are fused ring compounds of Formula (I), Formula (II), or Formula (III), as further detailed herein, which are used for the inhibition of Ras proteins, as well as compositions comprising these compounds and methods treatment by their administration.
Synthetic method of stealthy ketone (by machine translation)
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Paragraph 0019; 0032-0046, (2019/12/31)
The method disclosed by the invention is characterized in that the, method for synthesizing: the octrexone by the step of reacting synthetic enamine with tetrahydropyrrole and isovaleraldehyde; under 2 - 6h a basic condition of water to 2 - obtain a latent ketone crude; product comprises the following 2 - steps of: refluxing under, the alkaline condition, of water; and, distilling off the solvent, under reduced pressure, to obtain a latent ketone crude product . (by machine translation)
PINENE-DERIVED DIISOCYANATES
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Paragraph 0010, (2019/04/25)
A pinene-derived diisocyanate compound, a process for forming a pinene-derived diisocyanate compound, and an article of manufacture containing a polyurethane polymer are disclosed. The process for forming the pinene-derived diisocyanate compound includes oxidizing the pinene to form a pinene-derived ketone compound, converting the pinene-derived ketone compound to a diamine compound in subsequent reaction steps, and reacting the diamine compound with phosgene to form the pinene-derived diisocyanate compound. The polyurethane polymer is synthesized in a reaction between a pinene-derived diisocyanate compound and a polyol.
Synthesis of α,β-unsaturated carbonyl compounds via a visible-light-promoted organocatalytic aerobic oxidation
Zhang, Junlin,Wang, Leming,Liu, Qi,Yang, Zhen,Huang, Yong
supporting information, p. 11662 - 11664 (2013/12/04)
α,β-Unsaturated ketones and aldehydes have been synthesized from their corresponding silyl enol ethers in a straightforward protocol involving a visible-light promoted organocatalytic, aerobic oxidation reaction. A cheap organic dye was used catalytically in these reactions as the photosensitizer.
A stereoselective, Sm(ii)-mediated approach to decorated cis-hydrindanes: Synthetic studies on faurinone and pleuromutilin
Findley, Thomas J. K.,Sucunza, David,Miller, Laura C.,Helm, Matthew D.,Helliwell, Madeleine,Davies, David T.,Procter, David J.
scheme or table, p. 2433 - 2451 (2011/05/06)
The cis-hydrindane motif is found in a number of natural products that display important biological activity. A flexible, stereoselective approach to the framework has been developed that features highly diastereoselective, SmI2-mediated cyclisations. The strategy has been exploited in the first synthesis of the proposed structure of faurinone and an approach to the skeleton of the antibacterial natural product, pleuromutilin.
Total synthesis of eudesmane terpenes: Cyclase phase
Chen, Ke,Ishihara, Yoshihiro,Galán, María Morón,Baran, Phil S.
experimental part, p. 4738 - 4744 (2010/08/20)
A full account of synthetic efforts toward dihydrojunenol, one of the lowest oxidized members of the eudesmane family of natural products, is presented. The final synthetic sequence illustrates a nine-step, gram-scale, enantioselective route to this bicyclic terpene with excellent stereocontrol and in 21% overall yield.
A flexible, stereoselective approach to the decorated cis-hydrindane skeleton: Synthesis of the proposed structure of faurinone
Findley, Thomas J. K.,Sucunza, David,Miller, Laura C.,Davies, David T.,Procter, David J.
supporting information; experimental part, p. 6862 - 6865 (2009/07/18)
A flexible, stereoselective approach to the cis-hydrindane motif found in a number of biologically active natural products that utilizes highly diastereoselective SmI2-mediated cyclizations of aldehyde and halide substrates was demonstrated. Aldehydes were prepared to investigate the stereoselectivity of the proposed SmI2-mediated construction of the cis-hydrindane system. Treatment of aldehydes with SmI2 in THF and tBuOH resulted in successful cyclization and construction of three contiguous stereocenters. This cyclization proceeds through reduction of the aldehyde and addition of the resulting ketyl-radical anion to the alkene through anti-transition structure to give samarium (III) enolates. It was observed that SmI2-mediated halide-alkene cyclizations provide an easy alternative for the synthesis of less oxygenated targets.
Synthesis of (1S,4R)-4-isopropyl-1-methyl-2-cyclohexen-1-ol, the aggregation pheromone of the ambrosia beetle Platypus quercivorus, its racemate, (1R,4R)- and (1S,4S)-isomers
Mori, Kenji
, p. 2133 - 2142 (2007/10/03)
(S)-Perillyl alcohol was converted to (R)-cryptone (91.5-93% ee) in six steps, which was then treated with methyllithium to give (1S,4R)-4-isopropyl-1-methyl-2-cyclohexen-1-ol, the aggregation pheromone of the ambrosia beetle Platypus quercivorus. The racemic pheromone was also prepared by methylation of (±)-cryptone. Both (1R,4R)- and (1S,4S)-isomers (98% ee) of the pheromone were synthesized from the enantiomers of dihydrolimonene oxide.
COMPOUNDS FOR INHIBITING KSP KINESIN ACTIVITY
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Page/Page column 178; 179, (2010/11/23)
The present invention provides compounds of Formula (I) (wherein R1, R3, X, W, Z and ring Y are as defined herein). The present invention also provides compositions comprising these compounds that are useful for treating cellular proliferative diseases or disorders associated with KSP kinesin activity and for inhibiting KSP kinesin activity.
