111319-77-8Relevant articles and documents
Versicolactones A and B: Total synthesis and structure revision
Wang, Liping,Zhu, Weiming
, p. 6729 - 6731 (2013)
To further determine absolute configurations of versicolactones A and B, total synthesis of versicolactones A and B and their six stereoisomers were reported in this Letter. The 1H and 13C NMR spectra of the synthetic erythro-stereoisomers matched perfectly with those of the natural products. Combined with the comparison of the specific rotations, the absolute configuration of versicolactones A and B were revised as (4Z,6R,7S)- and (4E,6R,7S)- from the corresponding (4Z,6R,7R)- and (4E,6R,7R)-6,7-dihydroxyocta- 2,4-dien-4-lactone, respectively.
The revised structure of trichodermatide A
Shigehisa, Hiroki,Kikuchi, Harue,Suzuki, Tsuyoshi,Hiroya, Kou
, p. 7670 - 7673 (2015)
A revised structure for trichodermatide A, which is a C10 epimer of the originally reported structure, is proposed. The revision is supported by the X-ray structure of a synthetic intermediate synthesized according to our previous route for trichodermatide A. The revised stereochemistry was also supported by NOESY experiment. Finally, we synthesized Trauner's compound corresponding to the originally reported structure from our synthetic intermediate of trichodermatide A through a Mitsunobu reaction at C10. A revised structure for trichodermatide A is proposed. The revision is supported by the X-ray structure of a synthetic intermediate synthesized according to our previous route for trichodermatide A. The revised stereochemistry was also supported by NOESY experiment. Finally, we synthesized Trauner's compound corresponding to the originally reported structure from our synthetic intermediate of trichodermatide A through a Mitsunobu reaction at C10.
Enantioselective sensing of insect pheromones in water
Chen, Junyi,Gill, Adam D.,Hickey, Briana L.,Hooley, Richard J.,Millar, Jocelyn G.,Zhong, Wenwan,Zou, Yunfan
supporting information, p. 13341 - 13344 (2021/12/17)
An arrayed combination of water-soluble deep cavitands and cationic dyes has been shown to optically sense insect pheromones at micromolar concentration in water. Machine learning approaches were used to optimize the most effective array components, which
Synthesis and bioluminescence-inducing properties of autoinducer (S)-4,5-dihydroxypentane-2,3-dione and its enantiomer
Kadirvel, Manikandan,Stimpson, William T.,Moumene-Afifi, Souad,Arsic, Biljana,Glynn, Nicola,Halliday, Nigel,Williams, Paul,Gilbert, Peter,McBain, Andrew J.,Freeman, Sally,Gardiner, John M.
scheme or table, p. 2625 - 2628 (2010/07/13)
The autoinducer (4S)-4,5-dihydroxypentane-2,3-dione ((S)-DPD, AI-2) facilitates chemical communication, termed 'quorum sensing', amongst a wide range of bacteria, The synthesis of (S)-DPD is challenging in part due to its instability. Herein we report a novel synthesis of (S)-DPD via (2S)-2,3-O-isopropylidene glyceraldehyde, through Wittig, dihydroxylation and oxidation reactions, with a complimentary asymmetric synthesis to a key precursor. Its enantiomer (R)-DPD, was prepared from d-mannitol via (2R)-2,3-O-isopropylideneglyceraldehyde. The synthesized enantiomers of DPD have AI-2 bioluminescence-inducing properties in the Vibrio harveyi BB170 strain.