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Keith T. Mead

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Name: Mead, Keith T.
Organization: Mississippi State University , USA
Department: Department of Chemistry
Title: (PhD)

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γ-Lactonizations of 2H-chromenes via cyclopropanation
Co-reporter:Sean Stokes, Ben Spears, Cameron Laseter, Bobby Barker, Keith T. Mead
Tetrahedron Letters 2010 Volume 51(Issue 31) pp:4003-4006
Publication Date(Web):4 August 2010
DOI:10.1016/j.tetlet.2010.05.059
A two-step synthesis of tetrahydro-2H-furochromenones from 2H-chromenes is reported. The reaction of a series of tert-butyl 2-diazoacetate derivatives with 2H-chromenes, catalyzed by Rh2(OAc)4, generated cyclopropane intermediates that rearranged to γ-lactones on treatment with Sn(OTf)2.
ETHYL 1-HYDROXYNAPHTHALENE-2-CARBOXYLATE
ETHYL 1-HYDROXYNAPHTHALENE-2-CARBOXYLATE
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ETHYL 1-HYDROXYNAPHTHALENE-2-CARBOXYLATE
Benzenepropanoic acid, α-diazo-β-oxo-, ethyl ester
Benzenepropanoic acid, α-diazo-β-oxo-, ethyl ester
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Benzenepropanoic acid, α-diazo-β-oxo-, ethyl ester
(E)-N-((E)-3-(4-methoxyphenyl)prop-2-en-1-ylidene)-1-phenylmethanamine
(E)-N-((E)-3-(4-methoxyphenyl)prop-2-en-1-ylidene)-1-phenylmethanamine
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(E)-N-((E)-3-(4-methoxyphenyl)prop-2-en-1-ylidene)-1-phenylmethanamine
Benzene, 1,3-dimethoxy-5-(2-propyn-1-yloxy)-
Benzene, 1,3-dimethoxy-5-(2-propyn-1-yloxy)-
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Benzene, 1,3-dimethoxy-5-(2-propyn-1-yloxy)-
Rhodium, bis[m-[a,a,a',a'-tetramethyl-1,3-benzenedipropanoato(2-)-kO1,kO'3:kO3,kO'1]]di-, (Rh-Rh)
Rhodium, bis[m-[a,a,a',a'-tetramethyl-1,3-benzenedipropanoato(2-)-kO1,kO'3:kO3,kO'1]]di-, (Rh-Rh)
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Rhodium, bis[m-[a,a,a',a'-tetramethyl-1,3-benzenedipropanoato(2-)-kO1,kO'3:kO3,kO'1]]di-, (Rh-Rh)
Quinoline, 4-(4-chlorophenyl)-2-(4-methoxyphenyl)-
Quinoline, 4-(4-chlorophenyl)-2-(4-methoxyphenyl)-
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Quinoline, 4-(4-chlorophenyl)-2-(4-methoxyphenyl)-
Quinoline, 2-(4-bromophenyl)-4-(4-methoxyphenyl)-
Quinoline, 2-(4-bromophenyl)-4-(4-methoxyphenyl)-
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Quinoline, 2-(4-bromophenyl)-4-(4-methoxyphenyl)-
Quinoline, 2,4-bis(4-methoxyphenyl)-
Quinoline, 2,4-bis(4-methoxyphenyl)-
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Quinoline, 2,4-bis(4-methoxyphenyl)-
Quinoline, 2,4-bis(4-methylphenyl)-
Quinoline, 2,4-bis(4-methylphenyl)-
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Quinoline, 2,4-bis(4-methylphenyl)-
2-Propen-1-one, 1-(4-methoxyphenyl)-3-(3-nitrophenyl)-, (2E)-
2-Propen-1-one, 1-(4-methoxyphenyl)-3-(3-nitrophenyl)-, (2E)-
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2-Propen-1-one, 1-(4-methoxyphenyl)-3-(3-nitrophenyl)-, (2E)-