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Your search keyword '"Alloyohimbane"' showing total 4 results
Start Over Descriptor "Alloyohimbane" Topic bicyclic molecule
4 results on '"Alloyohimbane"'

1. Short stereoselective synthesis of -alloyohimbane and -epialloyohimbane

Author

Mauri Lounasmaa and Reija Jokela

Subjects
chemistry.chemical_classification, Bicyclic molecule, 010405 organic chemistry, Chemistry, Stereochemistry, Organic Chemistry, Alloyohimbane, 010402 general chemistry, 01 natural sciences, Biochemistry, 3. Good health, 0104 chemical sciences, Polycyclic compound, Drug Discovery, Organic chemistry, Stereoselectivity
Abstract

A short and stereoselective synthesis for both dl -alloyohimbane and dl -epialloyohimbane using one and the same starting compound is presented.

Published
1990
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2. Efficient Synthesis of Fused Bicyclic Glutarimides. Its Application to (.+-.)-Alloyohimbane and Louisianin D

Author

Meng-Yang Chang, Nein-Chen Chang, Ru-Ting Hsu, and Hung-Wei Chen

Subjects
Molecular Structure, Bicyclic molecule, Pyridines, Stereochemistry, Organic Chemistry, Molecular Conformation, Esters, Stereoisomerism, General Medicine, Alloyohimbane, Crystallography, X-Ray, Heterocyclic Compounds, 4 or More Rings, Biochemistry, Catalysis, Allyl Compounds, chemistry.chemical_compound, chemistry, Organic chemistry, Physical and Theoretical Chemistry, Piperidones, Acetamide, Louisianin D
Abstract

[reaction: see text] The reaction of alpha-sulfonyl acetamide 1 with various cyclic unsaturated esters 2 to fused bicyclic glutarimides is reported. Syntheses of (+/-)-alloyohimbane (4) and louisianin D (5) have been accomplished.

Published
2006
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3. An enantioselective synthesis of (−)-alloyohimbane

Author

Jeffrey Aubé

Subjects
chemistry.chemical_classification, Ketone, Bicyclic molecule, Stereochemistry, Chemistry, fungi, Organic Chemistry, Enantioselective synthesis, Total synthesis, Alloyohimbane, Biochemistry, carbohydrates (lipids), chemistry.chemical_compound, Drug Discovery, polycyclic compounds, Lactam, Enantiomer
Abstract

A conceptually novel total synthesis of (−)-alloyohimbane is reported. The key step utilizes a group-selective nitrogen insertion process on a meso bicyclic ketone.

Published
1988
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4. A General Synthesis ofcisPerhydro 3,6-Isoquinolinediones Related to the Alloyohimbane Alkaloids

Author

Douglas A. Livingston and Gilbert Stork

Subjects
chemistry.chemical_compound, Annulation, chemistry, Bicyclic molecule, Stereochemistry, Intramolecular force, Alkaloid, Lactam, Organic chemistry, General Chemistry, Malonic acid, Alloyohimbane
Abstract

The intramolecular annulation of malonic acid derivatives of 4-aminomethyl cyclohexenones is shown to be an efficient route to 3,6-diketoderivatives of cis perhydroisoquinolines.

Published
1987
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