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Showing 1 to 12 of 235 entries
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Stabilizing Pentacene By Cyclopentannulation.

Angewandte Chemie (International ed. in English)

Bheemireddy SR, Ubaldo PC, Rose PW, Finke AD, Zhuang J, Wang L, Plunkett KN.
PMID: 26768696
Angew Chem Int Ed Engl. 2015 Dec 21;54(52):15762-6. doi: 10.1002/anie.201508650. Epub 2015 Nov 19.

A new class of stabilized pentacene derivatives with externally fused five-membered rings are prepared by means of a key palladium-catalyzed cyclopentannulation step. The target compounds are synthesized by chemical manipulation of a partially saturated 6,13-dibromopentacene precursor that can be...

Crystal structures of three complexes of zinc chloride with tri-tert-butyl-phosphane.

Acta crystallographica. Section E, Crystallographic communications

Finke AD, Gray DL, Moore JS.
PMID: 26870580
Acta Crystallogr E Crystallogr Commun. 2016 Jan 01;72:35-9. doi: 10.1107/S2056989015023373. eCollection 2016 Jan 01.

Under anhydrous conditions and in the absence of a Lewis-base solvent, a zinc chloride complex with tri-tert-butyl-phosphane as the μ-bridged dimer is formed, viz. di-μ-chlorido-bis-[chlorido-bis-(tri-tert-butyl-phosphane)zinc], [ZnCl4(C12H27P)2], (1), which features a nearly square-shaped (ZnCl)2 cyclic core and whose Cl atoms...

Pentaindenocorannulene: Properties, Assemblies, and C.

Angewandte Chemie (International ed. in English)

Lampart S, Roch LM, Dutta AK, Wang Y, Warshamanage R, Finke AD, Linden A, Baldridge KK, Siegel JS.
PMID: 27709796
Angew Chem Int Ed Engl. 2016 Nov 14;55(47):14648-14652. doi: 10.1002/anie.201608337. Epub 2016 Oct 06.

Pentaindenocorannulene (C

Friendship: Operationalizing the Intangible to Improve Friendship-Based Outcomes for Individuals With Autism Spectrum Disorder.

American journal of speech-language pathology

Finke EH.
PMID: 27716859
Am J Speech Lang Pathol. 2016 Nov 01;25(4):654-663. doi: 10.1044/2016_AJSLP-15-0042.

PURPOSE: Individuals with autism spectrum disorder (ASD) have social deficits that affect making and maintaining friends. Many empirically tested methods to address these social deficits are available, yet difficulties related to the establishment and maintenance of authentic friendships persist.METHOD:...

Soliciting feedback: on becoming an effective clinical teacher.

Journal of general internal medicine

Orlander JD, Fincke BG.
PMID: 8077998
J Gen Intern Med. 1994 Jun;9(6):334-5. doi: 10.1007/BF02599182.

The art of teaching is difficult to master. When teaching in small groups, as often happens in clinical medicine, there is an opportunity to find out what works by speaking directly with students. The information they provide can serve...

Is it homogeneous or heterogeneous catalysis? Identification of bulk ruthenium metal as the true catalyst in benzene hydrogenations starting with the monometallic precursor, Ru(II)(eta 6-C6Me6)(OAc)2, plus kinetic characterization of the heterogeneous nucleation, then autocatalytic surface-growth mechanism of metal film formation.

Journal of the American Chemical Society

Widegren JA, Bennett MA, Finke RG.
PMID: 12926954
J Am Chem Soc. 2003 Aug 27;125(34):10301-10. doi: 10.1021/ja021436c.

A reinvestigation of the true catalyst in a benzene hydrogenation system beginning with Ru(II)(eta(6)-C(6)Me(6))(OAc)(2) as the precatalyst is reported. The key observations leading to the conclusion that the true catalyst is bulk ruthenium metal particles, and not a homogeneous...

Early local last glacial maximum in the tropical Andes.

Science (New York, N.Y.)

Smith JA, Seltzer GO, Farber DL, Rodbell DT, Finkel RC.
PMID: 15860623
Science. 2005 Apr 29;308(5722):678-81. doi: 10.1126/science.1107075.

The local last glacial maximum in the tropical Andes was earlier and less extensive than previously thought, based on 106 cosmogenic ages (from beryllium-10 dating) from moraines in Peru and Bolivia. Glaciers reached their greatest extent in the last...

Iridium(0) nanocluster, acid-assisted catalysis of neat acetone hydrogenation at room temperature: exceptional activity, catalyst lifetime, and selectivity at complete conversion.

Journal of the American Chemical Society

Ozkar S, Finke RG.
PMID: 15796546
J Am Chem Soc. 2005 Apr 06;127(13):4800-8. doi: 10.1021/ja0437813.

Acetone hydrogenation catalysis is important in applications such as heat pumps and fuel cells or in fulfilling the sizable demand for the product of selective acetone hydrogenation, 2-propanol. Reported herein is the discovery of a superior acetone hydrogenation catalyst--superior...

Pattern of bombardment-produced radionuclides in rock 10017 and in lunar soil.

Science (New York, N.Y.)

Shedlovsky JP, Honda M, Reedy RC, Evans JC, Lal D, Lindstrom RM, Delany AC, Arnold JR, Loosli HH, Fruchter JS, Finkel RC.
PMID: 17781502
Science. 1970 Jan 30;167(3918):574-6. doi: 10.1126/science.167.3918.574.

A large number of radionuclides have been measured as a function of depth in lunar rock 10017 and in bulk fines. Data are reported on (10)Be, (22)Na, (26)Al, (36)Cl, (49)V, (53)mn, (54)Mn (55)Fe, (56)Co, (57)Co, and (59)Ni and on...

Nanocluster formation and stabilization fundamental studies: investigating "solvent-only" stabilization en route to discovering stabilization by the traditionally weakly coordinating anion BF4- plus high dielectric constant solvents.

Inorganic chemistry

Ott LS, Finke RG.
PMID: 16999438
Inorg Chem. 2006 Oct 02;45(20):8382-93. doi: 10.1021/ic060876s.

The nanocluster literature contains a wide variety of nanocluster stabilizing agents. In addition to the plethora of putative stabilizing additives, 12 claims appear of "solvent-only" stabilization of transition-metal nanoclusters-a hypothesis that is tested for the first time as part...

Adhesion of microcapsules.

Langmuir : the ACS journal of surfaces and colloids

Graf P, Finken R, Seifert U.
PMID: 16893199
Langmuir. 2006 Aug 15;22(17):7117-9. doi: 10.1021/la060803l.

The adhesion of microcapsules to an attractive contact potential is studied theoretically. The axisymmetric shape equations are solved numerically. Beyond a universal threshold strength of the potential, the contact radius increases in proportion to the square root of the...

Transition-metal nanocluster size vs formation time and the catalytically effective nucleus number: a mechanism-based treatment.

Journal of the American Chemical Society

Watzky MA, Finney EE, Finke RG.
PMID: 18707099
J Am Chem Soc. 2008 Sep 10;130(36):11959-69. doi: 10.1021/ja8017412. Epub 2008 Aug 16.

A mechanism-based equation for the size of a forming transition-metal nanocluster vs time has been derived based on the Finke-Watzky two-step mechanism for transition-metal nanocluster nucleation (A --> B, rate constant k1) and autocatalytic growth (A + B -->...

Showing 1 to 12 of 235 entries