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Showing 1 to 12 of 173 entries
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Air-stable nickel precatalysts for fast and quantitative cross-coupling of aryl sulfamates with aryl neopentylglycolboronates at room temperature.

Organic letters

Jezorek RL, Zhang N, Leowanawat P, Bunner MH, Gutsche N, Pesti AK, Olsen JT, Percec V.
PMID: 25467653
Org Lett. 2014 Dec 19;16(24):6326-9. doi: 10.1021/ol503061c. Epub 2014 Dec 03.

A library containing 10 air-stable Ni(II)X(Aryl)(PCy3)2 σ-complexes as precatalysts (X = Cl, Br, OTs, OMs, aryl = 1-naphthyl, 2-naphthyl; X = Cl, 1-acenaphthenyl, 1-(2-methoxynaphthyl), 9-phenanthrenyl, 9-anthracyl) was synthesized and demonstrated to quantitatively cross-couple 2-methoxyphenyl dimethylsulfamate with methyl 4-(5,5-dimethyl-1,3,2-dioxaborinane-2-yl)benzoate at...

Biodiversity inventories in high gear: DNA barcoding facilitates a rapid biotic survey of a temperate nature reserve.

Biodiversity data journal

Telfer AC, Young MR, Quinn J, Perez K, Sobel CN, Sones JE, Levesque-Beaudin V, Derbyshire R, Fernandez-Triana J, Rougerie R, Thevanayagam A, Boskovic A, Borisenko AV, Cadel A, Brown A, Pages A, Castillo AH, Nicolai A, Glenn Mockford BM, Bukowski B, Wilson B, Trojahn B, Lacroix CA, Brimblecombe C, Hay C, Ho C, Steinke C, Warne CP, Garrido Cortes C, Engelking D, Wright D, Lijtmaer DA, Gascoigne D, Hernandez Martich D, Morningstar D, Neumann D, Steinke D, Marco DeBruin DD, Dobias D, Sears E, Richard E, Damstra E, Zakharov EV, Laberge F, Collins GE, Blagoev GA, Grainge G, Ansell G, Meredith G, Hogg I, McKeown J, Topan J, Bracey J, Guenther J, Sills-Gilligan J, Addesi J, Persi J, Layton KK, D'Souza K, Dorji K, Grundy K, Nghidinwa K, Ronnenberg K, Lee KM, Xie L, Lu L, Penev L, Gonzalez M, Rosati ME, Kekkonen M, Kuzmina M, Iskandar M, Mutanen M, Fatahi M, Pentinsaari M, Bauman M, Nikolova N, Ivanova NV, Jones N, Weerasuriya N, Monkhouse N, Lavinia PD, Jannetta P, Hanisch PE, McMullin RT, Ojeda Flores R, Mouttet R, Vender R, Labbee RN, Forsyth R, Lauder R, Dickson R, Kroft R, Miller SE, MacDonald S, Panthi S, Pedersen S, Sobek-Swant S, Naik S, Lipinskaya T, Eagalle T, Decaëns T, Kosuth T, Braukmann T, Woodcock T, Roslin T, Zammit T, Campbell V, Dinca V, Peneva V, Hebert PD, deWaard JR.
PMID: 26379469
Biodivers Data J. 2015 Aug 30;(3):e6313. doi: 10.3897/BDJ.3.e6313. eCollection 2015.

BACKGROUND: Comprehensive biotic surveys, or 'all taxon biodiversity inventories' (ATBI), have traditionally been limited in scale or scope due to the complications surrounding specimen sorting and species identification. To circumvent these issues, several ATBI projects have successfully integrated DNA...

Comparative genomics of Roseobacter clade bacteria isolated from the accessory nidamental gland of Euprymna scolopes.

Frontiers in microbiology

Collins AJ, Fullmer MS, Gogarten JP, Nyholm SV.
PMID: 25755651
Front Microbiol. 2015 Feb 23;6:123. doi: 10.3389/fmicb.2015.00123. eCollection 2015.

The accessory nidamental gland (ANG) of the female Hawaiian bobtail squid, Euprymna scolopes, houses a consortium of bacteria including members of the Flavobacteriales, Rhizobiales, and Verrucomicrobia but is dominated by members of the Roseobacter clade (Rhodobacterales) within the Alphaproteobacteria....

Apparent tricritical behavior at a nearly second-order nematic-isotropic phase transition of a cyclic liquid crystalline trimer.

Physical review. E, Statistical, nonlinear, and soft matter physics

Syed IM, Percec V, Petschek RG, Rosenblatt C.
PMID: 12636514
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Jan;67(1):011704. doi: 10.1103/PhysRevE.67.011704. Epub 2003 Jan 28.

The cyclic liquid crystalline trimer TPB-(c)9(3) was investigated by optical retardation and Fréedericksz techniques within a few tens of millikelvins of the superheating limit of the nearly second-order nematic-isotropic phase transition. Both the optical retardation and the Fréedericksz bend...

Introduction: frontiers in polymer chemistry.

Chemical reviews

Percec V.
PMID: 11740915
Chem Rev. 2001 Dec;101(12):3579-80. doi: 10.1021/cr000885x.

No abstract available.

Supramolecular assembly of dendritic polymers elucidated by 1H and 13C solid-state MAS NMR spectroscopy.

Journal of the American Chemical Society

Rapp A, Schnell I, Sebastiani D, Brown SP, Percec V, Spiess HW.
PMID: 14570506
J Am Chem Soc. 2003 Oct 29;125(43):13284-97. doi: 10.1021/ja035127d.

Advanced solid-state NMR methods under fast magic-angle spinning (MAS) are used to study the structure and dynamics of large supramolecular systems, which consist of a polymer backbone with dendritic side groups and self-assemble into a columnar structure. The NMR...

Steric communication of chiral information observed in dendronized polyacetylenes.

Journal of the American Chemical Society

Percec V, Aqad E, Peterca M, Rudick JG, Lemon L, Ronda JC, De BB, Heiney PA, Meijer EW.
PMID: 17165792
J Am Chem Soc. 2006 Dec 20;128(50):16365-72. doi: 10.1021/ja0665848.

Structural and retrostructural analysis of helical dendronized polyacetylenes (i.e., self-organizable polyacetylenes containing first generation dendrons or minidendrons as side groups) synthesized by the polymerization of minidendritic acetylenes with [Rh(nbd)Cl]2 (nbd = 2,5-norbornadiene) reveals an approximately 10% change in the...

Exploring and expanding the structural diversity of self-assembling dendrons through combinations of AB, constitutional isomeric AB2, and AB3 biphenyl-4-methyl ether building blocks.

Chemistry (Weinheim an der Bergstrasse, Germany)

Percec V, Holerca MN, Nummelin S, Morrison JJ, Glodde M, Smidrkal J, Peterca M, Rosen BM, Uchida S, Balagurusamy VS, Sienkowska MJ, Heiney PA.
PMID: 16841348
Chemistry. 2006 Aug 16;12(24):6216-41. doi: 10.1002/chem.200600178.

General, efficient and inexpensive methods for the synthesis of dendritic building blocks methyl 3',4'-dihydroxybiphenyl-4-carboxylate, 3',5'-dihydroxybiphenyl-4-carboxylate, and methyl 3',4',5'-trihydroxybiphenyl-4-carboxylate were elaborated. In all syntheses the major step involved an inexpensive Ni(II)-catalyzed Suzuki cross-coupling reaction. These three building blocks were employed...

Chemistry. Self-assembly in action.

Science (New York, N.Y.)

Percec V, Ungar G, Peterca M.
PMID: 16825559
Science. 2006 Jul 07;313(5783):55-6. doi: 10.1126/science.1129512.

No abstract available.

Hollow spherical supramolecular dendrimers.

Journal of the American Chemical Society

Percec V, Peterca M, Dulcey AE, Imam MR, Hudson SD, Nummelin S, Adelman P, Heiney PA.
PMID: 18771261
J Am Chem Soc. 2008 Oct 01;130(39):13079-94. doi: 10.1021/ja8034703. Epub 2008 Sep 05.

The synthesis of a library containing 12 conical dendrons that self-assemble into hollow spherical supramolecular dendrimers is reported. The design principles for this library were accessed by development of a method that allows the identification of hollow spheres, followed...

Models of substance use in adolescents with and without psychosis.

Journal of the Canadian Academy of Child and Adolescent Psychiatry = Journal de l'Academie canadienne de psychiatrie de l'enfant et de l'adolescent

Pencer A, Addington J.
PMID: 19018323
J Can Acad Child Adolesc Psychiatry. 2008 Nov;17(4):202-9.

INTRODUCTION: The use of substances is a major concern with adolescents with psychotic disorders, as it can have detrimental effects on psychotic symptoms and other aspects of functioning. The purpose of this study is to increase our understanding of...

Exenatide once weekly treatment maintained improvements in glycemic control and weight loss over 2 years.

BMC endocrine disorders

Taylor K, Gurney K, Han J, Pencek R, Walsh B, Trautmann M.
PMID: 21529363
BMC Endocr Disord. 2011 Apr 29;11:9. doi: 10.1186/1472-6823-11-9.

BACKGROUND: The once-weekly (QW) formulation of the glucagon-like peptide-1 receptor agonist exenatide has been demonstrated to improve A1C, fasting plasma glucose (FPG), body weight, serum lipid profiles, and blood pressure in patients with type 2 diabetes through 52 weeks...

Showing 1 to 12 of 173 entries