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  • 1
    Electronic Resource
    Electronic Resource
    Chirospecific synthesis of D and Lp-chlorohomophenylalanine N-t-BOC DCHA salts (1994)
    Springer
    Amino acids 6 (1994), S. 97-105 
    Details
    ISSN: 1438-2199
    Keywords: Amino acids ; Chirospecific ; D-Glucosamine hydrochloride ; D-Mannosamine hydrochloride ; L-N-t-Butyloxycarbonylserinal ; D-N-t-Butyloxycarbonylserinal ; D-p-Chlorohomophenylalanine N-t-Boc DCHA salt ; L-p-Chlorohomophenylalanine N-t-Boc DCHA salt
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The chirospecific conversions of D-glucosamine hydrochloride and D-mannosamine hydrochloride to the configurationally stable L and D isomers of N-t-butyloxycarbonylserinal were carried out byt-butylcarbonylation followed by sodium borohydride reduction and sodium meta-periodate oxidation. Reaction of the L and D aldehydes with the Wittig reagent prepared from 4-chlorobenzyltriphenylphosphonium chloride and butyl lithium followed by catalytic hydrogenation, Jones oxidation and salt formation with dicyclohexylamine gave the DCHA salts of the D and L isomers ofp-chlorohomophenylalanine N-t-Boc in high enatiomeric excess. The optical purity of the title compounds was established by hydrolysis to the respective free amino acids, followed by chiral derivatization and HPLC analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00808125
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A monoclonal antibody to animal centrosomes recognizes components of the basal-body root complex inChlamydomonas (1990)
    Springer
    Protoplasma 153 (1990), S. 208-211 
    Details
    ISSN: 1615-6102
    Keywords: Basal-body root complex ; Cell division cycle ; Centrosome ; Chlamydomonas ; Evolution ; Monoclonal antibody
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The mammalian centrosome monoclonal antibody MPM-13 recognized component(s) of the well defined MTOC basal-body root complex in the green plantChlamydomonas. The antibody reaction coincided in location with the basal-body root complex and the cruciate nature of the staining pattern corresponded to the configuration of the root microtubules. During mitosis the behaviour of MPM-13 stained material mirrored the duplication, separation and migration to the spindle poles of the basal body-root complex. It is suggested that conserved MTOC components were recognized and that these may have retained a similar, perhaps universal, function in microtubule organization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01354006
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    Paper (German National Licenses)
    Fulltext
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