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Borylcyclopropanes: Synthetic Strategies and Applications
Angewandte Chemie, EarlyView.Borylcyclopropanes (cyclopropanes bearing a boron substituent) sit at the intersection of two privileged frameworks in synthesis. This review provides the first exhaustive survey of their chemistry, spanning metal–carbene, nucleophilic cyclization, radical, hydroboration, and C─H activation routes, and documenting applications in medicinal chemistry ...
Aiza A. Butt, Joseph M. Ready
wiley +1 more source
Cobalt‐Catalyzed Radical Ligand Transfer (RLT) Enables Remote‐Markovnikov Hydroamination of Alkenes
Angewandte Chemie, EarlyView.A cobalt‐catalyzed remote‐Markovnikov 1,3‐hydroamination of allyl carboxylates proceeds through MHAT, 1,2‐radical acyloxy migration (1,2‐RAM), and radical ligand transfer (RLT) from a Co‐N intermediate, providing protected amino alcohols. ABSTRACT Amino alcohols are prevalent in pharmaceuticals, agrochemicals, and functional materials, yet ...
Arman Khosravi +7 more
wiley +1 more source
Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 1970 openaire +1 more source
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BMJ, 2010
An 85 year old man had a preoperative assessment for a knee replacement. His full blood count was normal apart from haemoglobin 95 g/l and mean corpuscular volume 105 fl. He drank no alcohol. Further testing showed that his vitamin B-12 was low: 90 pmol/l (reference range 160-800 pmol/l).
A, Burkhart, P, Krayenbühl, P, Suter
openaire +4 more sources
An 85 year old man had a preoperative assessment for a knee replacement. His full blood count was normal apart from haemoglobin 95 g/l and mean corpuscular volume 105 fl. He drank no alcohol. Further testing showed that his vitamin B-12 was low: 90 pmol/l (reference range 160-800 pmol/l).
A, Burkhart, P, Krayenbühl, P, Suter
openaire +4 more sources
Preparation of vitamin B-12-free serum for the use in vitamin B-12 radioassays
Clinica Chimica Acta, 1979In radioassays for serum vitamin B-12, the separation of free and bound vitamin is usually made with charcoal absorption. The specificity of this separation depends on the amount of charcoal and the protein content and constitution of the medium. The large difference in protein concentration between the samples for the dilution curve and the serum ...
J, Lindemans, J, van Kapel, J, Abels
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Serial measurements of vitamin B-12 and vitamin B-12-binding capacity in marasmic kwashiorkor
Clinica Chimica Acta, 1975Vitamin B-12 and total vitamin B-12-binding capacity (TBBC) have been determined by a radio-saturation assay in the blood of a large group of patients suffering from marasmic kwashiorkor on admission, and during their whole re-feeding. The results have been compared with values obtained in control children of the same ethnic group and with normal ...
Lejeune-Lenain, C., Fondu, Pierre
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The production of antibodies to vitamin B-12
Clinica Chimica Acta, 1979The conjugation of vitamin B-12 to HSA by means of a combined ethylcarbodiimide N-hydroxysuccinimide conjugation method at pH 5.5 is described. It gave a ratio of 2.7 mol vitamin B-12/mol HSA. Five rabbits were immunized with this conjugate emulsified in Freund's complete adjuvant. After one booster injection high titre antisera (1 : 450 000--1 : 1 500
S S, Ahrenstedt, J I, Thorell
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