99814-65-0Relevant academic research and scientific papers
Regioselective Opening of Chiral Hydroxy Epoxides: A Short Route to Muricatacin and its Diastereomer epi-Muricatacin
Saiah, Mohammed,Bessodes, Michel,Antonakis, Kostas
, p. 1597 - 1598 (1993)
The dilithioacetate opening of chiral epoxides, obtained by the Sharpless asymmetric epoxidation procedure, led regiospecifically to the corresponding hydroxy γ-lactones thus opening a short route to epimuracatacin and muricatacin.
Synthesis of cis-Solamin using a permanganate-mediated oxidative cyclization
Cecil, Alexander R. L.,Brown, Richard C. D.
, p. 3715 - 3718 (2002)
(graph presented) cis-Solamin (1) and its diastereoisomer 14 have been synthesized in 13 steps using the diastereoselective permanganate-promoted oxidative cyclization of 1,5-dienes to create the tetrahydrofuran diol core. Notably, no protecting groups are required during the stages of fragment assembly.
Asymmetric synthesis of both enantiomers of a δ-lactone analogue of muricatacin
Doran, Robert,Guiry, Patrick J.
, p. 761 - 770 (2014)
The asymmetric synthesis of both enantiomers of the δ-lactone analogue of the antitumoral natural product γ-lactone muricatacin has been carried out. Initial attempts to also synthesize the natural product proved unsuccessful due to the poor reactivity of the Grignard reagent derived from 2-(bromomethyl)-1,3-dioxolane. The designed synthetic route enabled us to increase the ring size to generate the δ-lactone analogue employing Sharpless asymmetric epoxidation and ZrCl4-catalyzed intramolecular acetalization as the key steps. Georg Thieme Verlag Stuttgart.New York.
Microwave-mediated claisen rearrangement followed by phenol oxidation: A simple route to naturally occurring 1,4-benzoquinones. The first syntheses of verapliquinones A and B and panicein A
Davis, Christopher J.,Hurst, Timothy E.,Jacob, Aouregan M.,Moody, Christopher J.
, p. 4414 - 4422 (2007/10/03)
The naturally occurring 1,4-benzoquinones 2-methoxy-6-propyl-1,4- benzoquinone (1), 2-methoxy-6-pentyl-1,4-benzoquinone (primin 2), 2-methoxy-6-pentadecyl-1,4-benzoquinone (3), 2-methoxy-6-heptadecyl-l,4- benzoquinone (dihydroirisquinone, pallasone B; 4) were synthesized by a simple protocol involving microwave accelerated Claisen rearrangement of allyl ethers 10, followed by hydrogenation of the side chain alkene, and oxidation to the quinone. The Claisen-based methodology was extended to the first synthesis of the marine benzoquinones verapliquinones A and B (5 and 6), and panicein A (7). Isoarnebifuranone (9) was also synthesized by a similar strategy.
Synthesis of two possible diastereomers of reticulatain-1
Makabe, Hidefumi,Miyawaki, Aya,Takahashi, Ryoko,Hattori, Yasunao,Konno, Hiroyuki,Abe, Masato,Miyoshi, Hideto
, p. 973 - 977 (2007/10/03)
A convergent synthesis of two possible diastereomers of reticulatain-1 (1a and 1b) was accomplished. Comparison of the specific optical rotations of 1a and 1b did not allow for the strict determination of the absolute configuration. However, bis-(R)-MTPA
Syntheses of (4R,5S)- and (4S,5R)-muricatacins, and (4S,5R)-aza-muricatacin, unnatural analogues of the annonaceous acetogenin
Konno, Hiroyuki,Hiura, Naoki,Yanaru, Moegi
, p. 1793 - 1798 (2007/10/03)
(4R,5S)- and (4S,5R)-Muricatacins, and (4S,5R)-aza-muricatacin, unnatural analogues of the Annonaceous acetogenin, were prepared from (-)-muricatacin via Mitsunobu inversion or Weinreb amidation as the key step.
Stereoselective synthesis of a versatile intermediate for the total synthesis of mono- and bis-THF containing annonaceous acetogenins
Jan,Li,Vig,Rudolph,Uckun
, p. 193 - 196 (2007/10/03)
Stereoselective synthesis of epoxy tetrahydrofuran (THF) 1, a versatile synthetic precursor for mono-THF and bis-THF containing annonaceous acetogenins, is reported. Compound 1 was synthesized from tridecanal in 11 steps with an overall yield of 24%. The
1,3-Transposition of primary allylic alcohols: Synthesis of optically active secondary and tertiary allylic alcohols
Dorta, Rosa L.,Rodriguez, Maria S.,Salazar, Jose A.,Suarez, Ernesto
, p. 4675 - 4678 (2007/10/03)
The reduction of optically active 2,3-epoxy alcohols, suitably prepared by the Sharpless asymmetric epoxidation of primary allylic alcohols, with the system triphenylphosphine/ iodine/imidozole/2,6-lutidine/water, leads in a single step to optically active secondary and tertiary allylic alcohols.
A general approach to γ-lactones via osmium-catalyzed asymmetric dihydroxylation. Synthesis of (-)- and (+)-muricatacin
Wang,Zhang,Sharpless,Sinha,Sinha Bagchi,Keinan
, p. 6407 - 6410 (2007/10/02)
Both enantiomers of hydroxy γ-lactones have been prepared highly enantioselectively (92-99% ee) using either AD-mix-β or AD-mix-α with both β,γ- and γ,δ-unsaturated esters. The method is exemplified by the three-step synthesis of (-) and (+)-muricatacin i
A Convenient Synthesis of the Peach Fruit Moth Carposina Niponensis Walk. and of the Douglas Fir Tussock Moth Orgya Pseudotsugata Mc.D. Sex Pheromones and Analogs
Ramiandrasoa, F.,Descoins, C.
, p. 1989 - 1999 (2007/10/02)
The (Z)- and (E)-isomers of 7-alken-11-ones with chain lengths of 19, 21 and 23 carbon atoms were synthesized.A procedure based on the reaction of alkenylcopper reagents with vinylketones has been elaborated.
