Results 221 to 230 of about 853,917 (241)

Asymmetric Aziridination of Allylic Carbamates Using Ion‐Paired Rhodium Complexes and Extrapolation to C─H Amination of Phenethyl Carbamates

open access: yesAngewandte Chemie, EarlyView.
Aziridination of alkenes is an important route to chiral nitrogen‐containing building blocks. We report that carbamate‐functionalized allylic alcohols undergo highly enantioselective aziridination using achiral dimeric Rh complexes ion‐paired with cinchona alkaloid‐derived chiral cations.
Arthur R. Lit   +4 more
wiley   +1 more source

ALDO%20LEOPOLD'UN%20YERY%c3%9cZ%c3%9c%20ET%c4%b0%c4%9e%c4%b0N%c4%b0N%20ANAL%c4%b0Z%c4%b0

open access: yesInternational Journal of Social Humanities Sciences Research (JSHSR), 2018
openaire   +1 more source
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C4* A6BQO: A NEW C4 HAPLOTYPE

International Journal of Immunogenetics, 1984
SUMMARYA C4 haplotype containing C4*A6 without C4*B1 is described. It occurred in the MHC haplotype HLA‐AL, Cw5, Bw44, C2*1, BF*S, C4*A6BQO, DR3, GLO 2. This haplotype was observed in five of eight siblings, including the propositus who was in renal failure.
Verna M. Skanes, Bodil Larsen
openaire   +3 more sources

Evaporation of C4 (C4+) from C60z+

Chemical Physics Letters, 1995
Abstract Detailed analysis (kinetic energy release determination) and comparison with similar decay reactions (e.g., C 60 z + → C 58 ( z − 1)+ + C 2 + have led to the conclusion that the metastable decay of multiply charged ions C 60 z + → C 56 ( z − 1)+ (with z = 4, 5 and 6) proceeds via a reaction sequence initiated by the ...
Paul Scheier   +2 more
openaire   +2 more sources

C4 urernic variant: An acquired C4 allotype

Immunogenetics, 1985
The major histocompatibility complex (MHC)-linked complotype region includes alleles for B, C2, and C4 loci. These loci are closely linked to each other and to HLA-DR on chromosome 6. The duplicated C4 loci, C4A and B, are especially polymorphic. In seven patients with renal insufficiency, we observed a C4 variant with electrophoretic mobility between ...
Linda Beischel, Thomas R. Welch
openaire   +3 more sources

C4

ACM SIGPLAN Notices, 2011
C4, the Continuously Concurrent Compacting Collector, an updated generational form of the Pauseless GC Algorithm [7], is introduced and described, along with details of its implementation on modern X86 hardware. It uses a read barrier to support concur- rent compaction, concurrent remapping, and concurrent incremental update tracing.
Gil Tene   +2 more
openaire   +2 more sources

Discrimination between the C4 alleles C4 B3 and C4 B29

Biochemical Society Transactions, 1986
David Briggs, Jerry S. Lanchbury
openaire   +2 more sources

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