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Total synthesis of (+)-crocacin C

Two approaches toward the total synthesis of cytotoxic polyketide natural product (+)-crocacin C (1) are described. The first approach, which was ultimately unsuccessful, was replaced altogether with a second that afforded target 1 in 10 linear steps from commercially available Evans?

出版机构:Elsevier Science

刊物名称:Bioorganic & Medicinal Chemistry

出版时间:2010

ISSN:0968-0896

数据源:报刊文摘

Total synthesis and stereochemical reassignment of tasiamide B

The first total synthesis of tasiamide B, an octapeptide bearing 4-amino-3-hydroxy-5-phenylpentanoic acid unit isolated from the marine cyanobacteria Symploca sp. is described. A simple and efficient way was found to avoid the pyroglutamylation of N?-Me-Gln and led to a reassignment of the N?

出版机构:John Wiley & Sons, Ltd.

刊物名称:Journal of Peptide Science

出版时间:2010

ISSN:1075-2617

数据源:报刊文摘

Complexity via Gold-Catalyzed Molecular Gymnastics

Reactions of 1,6-enynes catalyzed by gold(I) complexes usually proceed stereospecifically through highly distorted cyclopropyl gold carbenes.

出版机构:Springer US

刊物名称:Topics in Catalysis

出版时间:2010

ISSN:1022-5528

数据源:报刊文摘

Synthesis of a tricyclic core of rameswaralide

icyclic core containing a 5,7-fused bicyclic unit of rameswaralide was prepared starting from a 1,6-enyne.

出版机构:Elsevier Science

刊物名称:Tetrahedron Letters

出版时间:2010

ISSN:0040-4039

数据源:报刊文摘

Total Synthesis of Nominal Banyaside B: Structural Revision of the Glycosylation Site

The total synthesis of the tripeptide nominal banyaside?B relies on nonstandard peptide?bond?forming reactions. A key outcome of these synthetic studies is the proposal of a revised structure for natural banyaside?

出版机构:WILEY‐VCH Verlag

刊物名称:Angewandte Chemie International Edition

出版时间:2010

ISSN:1433-7851

数据源:报刊文摘

Synthesis of Acinetobactin

ucture involving the absolute configuration of acinetobactin (1b) was clarified. It was reconfirmed that preacinetobactin (1a) produced 1b by a rearrangement reaction.

出版机构:Pharmaceutical Society of Japan

刊物名称:Chemical & Pharmaceutical Bulletin

出版时间:2010

ISSN:0009-2363

数据源:报刊文摘

Total Synthesis of Tryprostatins A and B

A reasonable approach to the radical: The establishment of reliable conditions for the radical?mediated construction of indoles enabled the highly efficient synthesis of tryprostatins?A and B. Use of the radical initiator 2,2??azobis(4?methoxy?2,4?

出版机构:WILEY‐VCH Verlag

刊物名称:Angewandte Chemie International Edition

出版时间:2010

ISSN:1433-7851

数据源:报刊文摘

Salinosporamide Natural Products: Potent 20 S Proteasome Inhibitors as Promising Cancer Chemotherapeutics

Proteasome inhibitors are rapidly evolving as potent treatment options in cancer therapy. One of the most promising drug candidates of this type is salinosporamide?A from the bacterium Salinispora tropica. This marine natural product possesses a complex, densely functionalized ??lactam???

出版机构:WILEY‐VCH Verlag

刊物名称:Angewandte Chemie International Edition

出版时间:2010

ISSN:1433-7851

数据源:报刊文摘

Syntheses of Macrocyclic Bis(bibenzyl) Compounds Derived from Perrottetin E

Macrocyclic bis(bibenzyl) compounds are natural products from liverworts and are of growing interest due to recent reports on new isolated compounds and on their remarkable biological activities.

出版机构:WILEY‐VCH Verlag

刊物名称:European Journal of Organic Chemistry

出版时间:2010

ISSN:1434-193X

数据源:报刊文摘