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Volumn 44, Issue 2, 2003, Pages 357-360

Asymmetrized tris(hydroxymethyl)methane as precursor of iminosugars: Application to the synthesis of isofagomine

Author keywords

[No Author keywords available]

Indexed keywords

GLYCOSIDASE INHIBITOR; IMINE; ISOFAGOMINE; METHANE; PYRIDINE DERIVATIVE; TRIS(HYDROXYMETHYL)METHANE; UNCLASSIFIED DRUG;

EID: 0037421035     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(02)02492-9     Document Type: Article
Times cited : (22)

References (39)
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    • The S enantiomer was obtained in 97% e.e. by monohydrolysis of the corresponding diacetate catalyzed by commercially available PPL, while the R enantiomer was prepared in 98% e.e. by monoacylation of the corresponding diol catalyzed by PPL supported on Celite.
    • The S enantiomer was obtained in 97% e.e. by monohydrolysis of the corresponding diacetate catalyzed by commercially available PPL, while the R enantiomer was prepared in 98% e.e. by monoacylation of the corresponding diol catalyzed by PPL supported on Celite.
  • 6
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    • This work was presented at IUPAC 14th International Conference on Organic Synthesis, Christchurch (NZ), 14-18 July 2002.
    • This work was presented at IUPAC 14th International Conference on Organic Synthesis, Christchurch (NZ), 14-18 July 2002.
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    • 13C NMR).
    • 13C NMR).
  • 10
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    • We experienced an analogous behavior on very similar compounds, as reported in Ref. 8.
    • We experienced an analogous behavior on very similar compounds, as reported in Ref. 8.
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    • The preparation of 15 by protection of 13 as THP ether, followed by azide reduction and introduction of the carbamate moiety, was less satisfactory giving an overall yield of 71%.
    • The preparation of 15 by protection of 13 as THP ether, followed by azide reduction and introduction of the carbamate moiety, was less satisfactory giving an overall yield of 71%.
  • 13
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    • While we are not able to explain the low yield of 10, the moderate yield of 18 is in part due to the competitive intramolecular silyl migration from oxygen to nitrogen, as previously experienced on monosilyl ethers of THYM*. This problem was however solved using a bulkier silylated group.
    • While we are not able to explain the low yield of 10, the moderate yield of 18 is in part due to the competitive intramolecular silyl migration from oxygen to nitrogen, as previously experienced on monosilyl ethers of THYM*. This problem was however solved using a bulkier silylated group.
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    • Only recently the enzymatic kinetic resolution of a compound similar to 20-22 has been reported Altenbach H.-J., Blanda G. Tetrahedron: Asymmetry. 9:1998;1519-1524.
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    • Several enantioselective synthesis of 28, passing through different intermediates, are known. See: (a) Jespersen, T. M.; Dong, W.; Sierks, M. R.; Skrydstrup, T.; Lundt, I.; Bols, M. Angew. Chem., Int. Ed. Engl. 1994, 33, 1778-1779; (b) Ichikawa, Y.; Igarashi, Y.; Ichikawa, M.; Suhara, Y. J. Am. Chem. Soc. 1998, 120, 3007-3018; (c) Kim, Y. J.; Ichikawa, M.; Ichikawa, Y. J. Org. Chem. 2000, 65, 2599-2602; (d) Pandey, G.; Kapur, M. Synthesis 2001, 1263-1267; (e) Zhao, G. H.; Deo, U. C.; Ganem, B. Org. Lett. 2001, 3, 201-203; (f) Andersch, J.; Bols, M. Chem. Eur. J. 2001, 7, 3744-3747.
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    • Several enantioselective synthesis of 28, passing through different intermediates, are known. See: (a) Jespersen, T. M.; Dong, W.; Sierks, M. R.; Skrydstrup, T.; Lundt, I.; Bols, M. Angew. Chem., Int. Ed. Engl. 1994, 33, 1778-1779; (b) Ichikawa, Y.; Igarashi, Y.; Ichikawa, M.; Suhara, Y. J. Am. Chem. Soc. 1998, 120, 3007-3018; (c) Kim, Y. J.; Ichikawa, M.; Ichikawa, Y. J. Org. Chem. 2000, 65, 2599-2602; (d) Pandey, G.; Kapur, M. Synthesis 2001, 1263-1267; (e) Zhao, G. H.; Deo, U. C.; Ganem, B. Org. Lett. 2001, 3, 201-203; (f) Andersch, J.; Bols, M. Chem. Eur. J. 2001, 7, 3744-3747.
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    • Several enantioselective synthesis of 28, passing through different intermediates, are known. See: (a) Jespersen, T. M.; Dong, W.; Sierks, M. R.; Skrydstrup, T.; Lundt, I.; Bols, M. Angew. Chem., Int. Ed. Engl. 1994, 33, 1778-1779; (b) Ichikawa, Y.; Igarashi, Y.; Ichikawa, M.; Suhara, Y. J. Am. Chem. Soc. 1998, 120, 3007-3018; (c) Kim, Y. J.; Ichikawa, M.; Ichikawa, Y. J. Org. Chem. 2000, 65, 2599-2602; (d) Pandey, G.; Kapur, M. Synthesis 2001, 1263-1267; (e) Zhao, G. H.; Deo, U. C.; Ganem, B. Org. Lett. 2001, 3, 201-203; (f) Andersch, J.; Bols, M. Chem. Eur. J. 2001, 7, 3744-3747.
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    • Several enantioselective synthesis of 28, passing through different intermediates, are known. See: (a) Jespersen, T. M.; Dong, W.; Sierks, M. R.; Skrydstrup, T.; Lundt, I.; Bols, M. Angew. Chem., Int. Ed. Engl. 1994, 33, 1778-1779; (b) Ichikawa, Y.; Igarashi, Y.; Ichikawa, M.; Suhara, Y. J. Am. Chem. Soc. 1998, 120, 3007-3018; (c) Kim, Y. J.; Ichikawa, M.; Ichikawa, Y. J. Org. Chem. 2000, 65, 2599-2602; (d) Pandey, G.; Kapur, M. Synthesis 2001, 1263-1267; (e) Zhao, G. H.; Deo, U. C.; Ganem, B. Org. Lett. 2001, 3, 201-203; (f) Andersch, J.; Bols, M. Chem. Eur. J. 2001, 7, 3744-3747.
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    • Several enantioselective synthesis of 28, passing through different intermediates, are known. See: (a) Jespersen, T. M.; Dong, W.; Sierks, M. R.; Skrydstrup, T.; Lundt, I.; Bols, M. Angew. Chem., Int. Ed. Engl. 1994, 33, 1778-1779; (b) Ichikawa, Y.; Igarashi, Y.; Ichikawa, M.; Suhara, Y. J. Am. Chem. Soc. 1998, 120, 3007-3018; (c) Kim, Y. J.; Ichikawa, M.; Ichikawa, Y. J. Org. Chem. 2000, 65, 2599-2602; (d) Pandey, G.; Kapur, M. Synthesis 2001, 1263-1267; (e) Zhao, G. H.; Deo, U. C.; Ganem, B. Org. Lett. 2001, 3, 201-203; (f) Andersch, J.; Bols, M. Chem. Eur. J. 2001, 7, 3744-3747.
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    • Only the synthesis of (ent)-29 was reported; Kazmaier U., Schneider C. Tetrahedron Lett. 39:1998;817-818.
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    • We were not able to assign the relative configuration to the prevailing isomer (which is always the same), although structures 23 and 26 seem to be the most likely.
    • We were not able to assign the relative configuration to the prevailing isomer (which is always the same), although structures 23 and 26 seem to be the most likely.
  • 39
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    • 25=+22 (c 0.11, EtOH).
    • 25=+22 (c 0.11, EtOH).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.