منابع مشابه
Asymmetric synthesis of cyclo-archaeol and β-glucosyl cyclo-archaeol.
An efficient asymmetric synthesis of cyclo-archaeol and β-glucosyl cyclo-archaeol is presented employing catalytic asymmetric conjugate addition and catalytic epoxide ring opening as the key steps. Their occurrence in deep sea hydrothermal vents has been confirmed by chromatographic comparison with natural samples.
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The faithful lattices of rank 2(p ? 1) of the groups SL 2 (p) are described. For small primes p these and related lattices are investigated by computer. In particular a new extremal even unimodular lattice of rank 48 is constructed.
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In this paper we present cyclo-dynamic data flow (CDDF), a new data flow model for real time digital signal processing (DSP) applications. CDDF is an extension of cyclo-static dataflow (CSDF) [1,2] which keeps the interesting properties like analyzability and efficient compile time scheduling, while introducing data dependent control flow to improve the expressivity. The semantics are construct...
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We previously reported a successful model for treatment of BW 5147 leukemia in AKR mice by adoptive immunother apy using allogeneic spleen cells from C57BL/6 mice. The leukemia cells were given 3 days before initiation of ther apy. Graft-versus-host reaction was prevented by treatment with spleen cells from a second allogeneic strain (CBA), followed by cyclophosphamide and syngeneic spleen cell...
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The redetermined structure of 1,3,5-trinitro-1,3,5-triaza-cyclo-hexane, C(3)H(6)N(6)O(6), at 90 (2) K has ortho-rhom-bic (Pbca) symmetry. It is of inter-est with respect to energetic compounds. The structure was originally investigated through X-ray diffraction by Hultgren [(1936). J. Chem. Phys.4, 84]. Later X-ray investigations were completed by McCrone [(1950). Anal. Chem.22, 954-955] and Ha...
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ژورنال
عنوان ژورنال: Nature
سال: 1946
ISSN: 0028-0836,1476-4687
DOI: 10.1038/157695a0