Asymmetric synthesis of polyacetate derived building blocks with α-oxyanion functionality.: Lewis acid catalyzed opening of 2,9-dioxabicyclo[3.3.1]nonan-3-ones

被引:28
作者
Dunkel, R [1 ]
Hoffmann, HMR [1 ]
机构
[1] Leibniz Univ Hannover, Dept Organ Chem, D-30167 Hannover, Germany
关键词
D O I
10.1016/S0040-4020(99)00460-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
All four stereoisomeric cyclic 3,5,7-trihydroxyheptanoic acid equivalents of the polyacetate aldol type (Scheme 1) are obtainable from 8-oxabicyclo[3.2.1]octd-en-3-one which functions as a meso-configurated 4-way optical switch. Lewis acid assisted nucleophilic ring opening of anomeric [3.3.1] oxabicyclic lactones is a key step. The utility of the methodology is exemplified by a 6 step synthesis of the C17-C23 fragment of spongistatin (altohyrtin) and C-glycoside analogues. (C) 1999 Elsevier Science Ltd. All rights reserved.
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页码:8385 / 8396
页数:12
相关论文
共 68 条
[1]   THE SPONGISTATINS, POTENTLY CYTOTOXIC INHIBITORS OF TUBULIN POLYMERIZATION, BIND IN A DISTINCT REGION OF THE VINCA DOMAIN [J].
BAI, RL ;
TAYLOR, GF ;
CICHACZ, ZA ;
HERALD, CL ;
KEPLER, JA ;
PETTIT, GR ;
HAMEL, E .
BIOCHEMISTRY, 1995, 34 (30) :9714-9721
[2]  
BAI RL, 1993, MOL PHARMACOL, V44, P757
[3]  
Barton D.H.R., 1999, Comprehensive Natural Products Chemistry, V1st
[4]   PREPARATION AND REDUCTIVE LITHIATION OF 2-DEOXY-D-GLUCOPYRANOSYL PHENYLSULFONES - A HIGHLY STEREOSELECTIVE ROUTE TO C-GLYCOSIDES [J].
BEAU, JM ;
SINAY, P .
TETRAHEDRON LETTERS, 1985, 26 (50) :6185-6188
[5]   STEREOSELECTIVE ALDOL REACTIONS WITH ALPHA-UNSUBSTITUTED CHIRAL ENOLATES [J].
BRAUN, M .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1987, 26 (01) :24-37
[6]   CRYSTAL AND MOLECULAR-STRUCTURE OF COMPACTIN, A NEW ANTIFUNGAL METABOLITE FROM PENICILLIUM-BREVICOMPACTUM [J].
BROWN, AG ;
SMALE, TC ;
KING, TJ ;
HASENKAMP, R ;
THOMPSON, RH .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1976, (11) :1165-1173
[7]   CATALYTIC, ENANTIOSELECTIVE ALDOL ADDITIONS WITH METHYL AND ETHYL-ACETATE O-SILYL ENOLATES - A CHIRAL TRIDENTATE CHELATE AS A LIGAND FOR TITANIUM(IV) [J].
CARREIRA, EM ;
SINGER, RA ;
LEE, WS .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1994, 116 (19) :8837-8838
[8]   1,3-SYN DIASTEREOSELECTIVE REDUCTION OF BETA-HYDROXYKETONES UTILIZING ALKOXYDIALKYLBORANES [J].
CHEN, KM ;
HARDTMANN, GE ;
PRASAD, K ;
REPIC, O ;
SHAPIRO, MJ .
TETRAHEDRON LETTERS, 1987, 28 (02) :155-158
[9]   A method for constructing the C2-C12 dispiroacetal moiety of altohyrtin A [J].
Claffey, MM ;
Heathcock, CH .
JOURNAL OF ORGANIC CHEMISTRY, 1996, 61 (22) :7646-7647
[10]   ENANTIOSELECTIVE MUKAIYAMA-ALDOL AND ALDOL-DIHYDROPYRONE ANNULATION REACTIONS CATALYZED BY A TRYPTOPHAN-DERIVED OXAZABOROLIDINE [J].
COREY, EJ ;
CYWIN, CL ;
ROPER, TD .
TETRAHEDRON LETTERS, 1992, 33 (46) :6907-6910