共 115 条
TOTAL SYNTHESIS OF CALICHEAMICIN-GAMMA-1(I) .1. SYNTHESIS OF THE OLIGOSACCHARIDE FRAGMENT
被引:140
作者:

GRONEBERG, RD
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

MIYAZAKI, T
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

STYLIANIDES, NA
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

SCHULZE, TJ
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

STAHL, W
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

SCHREINER, EP
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

SUZUKI, T
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

IWABUCHI, Y
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

SMITH, AL
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA

NICOLAOU, KC
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机构: Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA
机构:
[1] Scripps Res Inst, DEPT CHEM, 10666 N TORREY PINES RD, LA JOLLA, CA 92037 USA
[2] UNIV CALIF SAN DIEGO, DEPT CHEM, LA JOLLA, CA 92093 USA
关键词:
D O I:
10.1021/ja00070a004
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
The first total synthesis of the calicheamicin gamma1I oligosaccharide fragment in the form of its methyl glycoside (62) has been achieved. The synthetic challenge of the B-ring was recognized and studied initially, resulting in a novel and unique solution to the stereochemical problems posed involving a [3,3]-sigmatropic rearrangement of an allylic thionoimidazolide (111). This chemistry was initially worked out on a model for the ABC-ring system (47) and then successfully applied to the real system. The success of this synthesis has enabled the completion of the first synthesis of the natural product itself, calicheamicin gamma1I (1), as will be described in the following papers in this issue.
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页码:7593 / 7611
页数:19
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