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1

Mixed main-group metal alkyls and alkoxides in synthesis and catalysis

Constantinos G. Screttas, Barry R. Steele

Journal:

Applied Organometallic Chemistry

Year:

2000

Language:

english

File:

PDF, 89 KB

english, 2000

2

Hexane-soluble complexes of alkyl- and alkenyl-sodium compounds with magnesium alkoxides

Constantinos G. Screttas, Maria Micha-Screttas

Journal:

Journal of Organometallic Chemistry

Year:

1986

Language:

english

File:

PDF, 679 KB

english, 1986

3

Mechanism of meerwein-pondorf-verley type reductions

Constantinos G. Screttas, Constantine T. Cazianis

Journal:

Year:

1978

Language:

english

File:

PDF, 608 KB

english, 1978

4

Deviation from Trouton's rule and a method for converting a non-constitutive molecular parameter into a constitutive one

Screttas, Constantinos G., Heropoulos, Georgios A., Steele, Barry R.

Journal:

Journal of the Chemical Society Faraday Transactions

Year:

1996

Language:

english

File:

PDF, 399 KB

english, 1996

5

Phosphorus-31 contact shifts as a measure of weak ligand affinities. Interaction between alkali metal fluorenone radical anions and certain phosphorus(III or V) ligands

Constantinos G. Screttas, George A. Heropoulos, Barry R. Steele, Donald Bethell

Journal:

Magnetic Resonance in Chemistry

Year:

1998

Language:

english

File:

PDF, 199 KB

english, 1998

6

Review: Applications of novel sterically demanding aromatics in organometallic synthesis

Barry R. Steele, Maria Micha-Screttas, Constantinos G. Screttas

Journal:

Applied Organometallic Chemistry

Year:

2002

Language:

english

File:

PDF, 128 KB

english, 2002

7

Spectroscopic Electronegativities of Halogens are Transferable and Additive Parameters. Examples of Correlations with Thermochemical and Nuclear Magnetic Resonance Spectroscopic Data

Constantinos G. Screttas, Maria Micha-Screttas

Journal:

Bulletin des Sociétés Chimiques Belges

Year:

1991

Language:

english

File:

PDF, 248 KB

english, 1991

8

ChemInform Abstract: ortho-Directed Lithiation of ω-Phenoxy Alcohols.

Constantinos S. Salteris, Ioannis D. Kostas, Maria Micha-Screttas, George A. Heropoulos, Constantinos G. Screttas, Aris Terzis

Journal:

Year:

1999

File:

PDF, 33 KB

1999

9

ChemInform Abstract: Organolithium Reagents Bearing Nonlinear Optical Chromophores. Synthesis of Triarylmethane Dyes.

Cecile Arbez-Gindre, Constantinos G. Screttas, Celine Fiorini, Claudia Schmidt, Jean-Michel Nunzi

Journal:

Year:

2000

File:

PDF, 30 KB

2000

10

ChemInform Abstract: Chemoselective Catalytic Side-Chain Alkylation of Aromatics by Ethylene Leading to Sterically Demanding Alkylbenzenes.

Barry R. Steele, Constantinos G. Screttas

Journal:

Year:

2000

Language:

english

File:

PDF, 30 KB

english, 2000

11

Applications of Novel Sterically Demanding Aromatics in Organometallic Synthesis

Bary R. Steele, Maria Micha-Screttas, Constantinos G. Screttas

Journal:

Year:

2002

File:

PDF, 24 KB

2002

12

Reductive Lithiation of Alkyl Phenyl Sulfides in Diethyl Ether. A Ready Access to α,α-Dialkylbenzyllithiums.

Constantinos G. Screttas, Georgios A. Heropoulos, Maria Micha-Screttas, Barry R. Steele, Dimitrios P. Catsoulacos

Journal:

Year:

2003

File:

PDF, 107 KB

2003

13

Medium-Dependent Lithiated Side Products in the Reductive Lithiation of Allylic Phenyl Thioethers. Diethyl Ether versus Tetrahydrofuran.

Constantinos G. Screttas, Georgios A. Heropoulos, Maria Micha-Screttas, Barry R. Steele

Journal:

Year:

2005

File:

PDF, 23 KB

2005

14

Synthesis of New Sterically Hindered Anilines

Barry R. Steele, Spyros Georgakopoulos, Maria Micha-Screttas, Constantinos G. Screttas

Journal:

European Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 92 KB

english, 2007

15

Mechanism for large first hyperpolarizabilities of phosphonic acid stilbene derivatives

Patrizia Calaminici, Karl Jug, Andreas M. Köster, Cécile Arbez-Gindre, Constantinos G. Screttas

Journal:

Journal of Computational Chemistry

Year:

2002

Language:

english

File:

PDF, 191 KB

english, 2002

16

New drug delivery nanosystem combining liposomal and dendrimeric technology (liposomal locked-in dendrimers) for cancer therapy

Konstantinos Gardikis, Sophia Hatziantoniou, Madalina Bucos, Dimitrios Fessas, Marco Signorelli, Theodoros Felekis, Maria Zervou, Constantinos G. Screttas, Barry R. Steele, Maksim Ionov, Maria Micha-S

Journal:

Journal of Pharmaceutical Sciences

Year:

2010

Language:

english

File:

PDF, 266 KB

english, 2010

17

Molar paramagnetic solvent NMR shifts of galvinoxyl in toluene. Kinetics of the reaction between galvinoxyl and tertiary amines at high radical concentrations

Constantinos G. Screttas, Georgios A. Heropoulos

Journal:

Magnetic Resonance in Chemistry

Year:

1990

Language:

english

File:

PDF, 373 KB

english, 1990

18

The diphenylmagnesium/alkali metal alkoxide system. Hydrocarbon-soluble organoalkali metal reagents

Constantinos G. Screttas, Maria Micha-Screttas

Journal:

Journal of Organometallic Chemistry

Year:

1985

Language:

english

File:

PDF, 877 KB

english, 1985

19

Preparation of solvated and/or unsolvated simple and mixed diarylmagnesiums

Constantinos G. Screttas, Maria Micha-Screttas

Journal:

Journal of Organometallic Chemistry

Year:

1985

Language:

english

File:

PDF, 584 KB

english, 1985

20

Formation of ketones in the reaction of aldehydes with unsolvated dibutylmagnesium in hydrocarbon solvents under homogeneous conditions, and its implications

Constantinos G. Screttas, Barry R. Steele

Journal:

Journal of Organometallic Chemistry

Year:

1986

Language:

english

File:

PDF, 599 KB

english, 1986

21

Stoichiometry of protonation of aromatic hydrocarbon radical anions by weak proton donors. A marked discrepancy between the number of protons used and those incorporated into the aromatic structure

Constantinos G. Screttas, Georgios I. Ioannou, Maria Micha-Screttas

Journal:

Journal of Organometallic Chemistry

Year:

1996

Language:

english

File:

PDF, 848 KB

english, 1996

22

A facile organolithium route to ferrocene-based triarylmethyl dyes with substantial near IR and NLO properties

Cécile Arbez-Gindre, Barry R. Steele, George A. Heropoulos, Constantinos G. Screttas, Jean-Edouard Communal, Werner J. Blau, Isabelle Ledoux-Rak

Journal:

Journal of Organometallic Chemistry

Year:

2005

Language:

english

File:

PDF, 149 KB

english, 2005

23

Microwave assisted solid additive effects in simple dry chlorination reactions with n-chlorosuccinimide

Madalina Bucos, Carolina Villalonga-Barber, Maria Micha-Screttas, Barry R. Steele, Constantinos G. Screttas, Georgios A. Heropoulos

Journal:

Year:

2010

Language:

english

File:

PDF, 210 KB

english, 2010

24

Synthesis and properties of 1-bromo-2,3,5,6-tetrakis(3-pentyl)benzene: a highly sterically hindered aryl bromide

Barry R. Steele, Maria Micha-Screttas, Constantinos G. Screttas

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 303 KB

english, 2004

25

Medium-dependent lithiated side products in the reductive lithiation of allylic phenyl thioethers. Diethyl ether versus tetrahydrofuran

Constantinos G. Screttas, Georgios A. Heropoulos, Maria Micha-Screttas, Barry R. Steele

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 116 KB

english, 2005

26

Selective catalytic carbanionic ethylation of methylphenols: influence of catalyst and substitution pattern

Barry R. Steele, Carolina Villalonga-Barber, Maria Micha-Screttas, Constantinos G. Screttas

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 128 KB

english, 2006

27

Contrasting chemoselectivities in the ultrasound and microwave assisted bromination reactions of substituted alkylaromatics with N-bromosuccinimide

Georgios A. Heropoulos, Giancarlo Cravotto, Constantinos G. Screttas, Barry R. Steele

Journal:

Tetrahedron Letters

Year:

2007

Language:

english

File:

PDF, 150 KB

english, 2007

28

Preparation of allylic lithium reagents with the allylic system partly incorporated into carbocyclic rings

Constantinos G. Screttas, Ioulia C. Smonou

Journal:

Journal of Organometallic Chemistry

Year:

1988

Language:

english

File:

PDF, 648 KB

english, 1988

29

Single-titration method for the determination of lithium naphthalenide in tetrahydrofuran

Constantinos G. Screttas, Maria Micha-Screttas

Journal:

Journal of Organometallic Chemistry

Year:

1983

Language:

english

File:

PDF, 170 KB

english, 1983

30

The tert-butylchloride—lithium naphthalene radical anion and tert-butyllithium—naphthalene systems. Mechanism of metallation

Constantinos G. Screttas, Maria Micha-Screttas, Barry R. Steele

Journal:

Journal of Organometallic Chemistry

Year:

1997

Language:

english

File:

PDF, 1.40 MB

english, 1997

31

New rhodium complexes with P,N-ligands possessing a hydroxy or methoxy group. Synthesis, characterization and application to hydroformylation of styrene

Ioannis D Kostas, Constantinos G Screttas

Journal:

Journal of Organometallic Chemistry

Year:

1999

Language:

english

File:

PDF, 100 KB

english, 1999

32

Synthesis of lithium ω-(m- and p-lithiophenoxy)alkoxides modified with magnesium 2-ethoxyethoxide. Crystal structures of bis[4-(2-hydroxyethoxy)phenyl]mercury and bis[4-(3-hydroxypropoxy)phenyl]mercury

Constantinos S Salteris, Ioannis D Kostas, Maria Micha-Screttas, Barry R Steele, George A Heropoulos, Constantinos G Screttas, Aris Terzis

Journal:

Journal of Organometallic Chemistry

Year:

1999

Language:

english

File:

PDF, 175 KB

english, 1999

33

A question concerning the pk range within which an organic free radical exhibits normal radical behaviour. The case of galvinoxyl

Constantinos G. Screttas, Georgios A. Heropoulos, Miltiades I. Karayannis

Journal:

Year:

1984

Language:

english

File:

PDF, 458 KB

english, 1984

34

Fluorenone ketyl anions generated in hydrocarbon media by phase transfer catalysis

Constantine T. Cazianis, Constantinos G. Screttas

Journal:

Year:

1983

Language:

english

File:

PDF, 234 KB

english, 1983

35

Concentration and substrate dependent reaction mechanisms in the metal ketyl-alkyl halide system. Magnetochemical zero-order kinetics as evidence for a diamagnetic reactive species at high ketyl concentrations. Catalysis by transition metals

Constantinos G. Screttas, Demetra G. Georgiou

Journal:

Tetrahedron Letters

Year:

1975

Language:

english

File:

PDF, 244 KB

english, 1975

36

The benzilic ester rearrangement evidence for a set pathway in the benzilic ester and/or acid rearrangement

Constantinos G. Screttas, Maria Micha-Screttas, Constantine T. Cazianis

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 111 KB

english, 1983

37

Chemical and physical evidence for metal–metal interchange between lithium alkoxides and di-n-butylmagnesium

Maria Micha-Screttas, Constantinos G Screttas, Barry R Steele, Georgios A Heropoulos

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 62 KB

english, 2002

38

An iminophosphine dendrimeric ligand and its evaluation in the Heck reaction

Dimitrios P. Catsoulacos, Barry R. Steele, Georgios A. Heropoulos, Maria Micha-Screttas, Constantinos G. Screttas

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 99 KB

english, 2003

39

Reductive lithiation of alkyl phenyl sulfides in diethyl ether. A ready access to α,α-dialkylbenzyllithiums

Constantinos G. Screttas, Georgios A. Heropoulos, Maria Micha-Screttas, Barry R. Steele, Dimitrios P. Catsoulacos

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 121 KB

english, 2003

40

A remarkable tendency of o-lithio-N-(2-lithiooxyethyl)-N-methyl-aniline to form heterocyclic derivatives by its reaction with dichlorodialkylsilanes or silicon tetrachloride. Synthesis of 2,5,1-benzoxazasilepines and of the silaspiro analogue

Ioannis D. Kostas, Constantinos G. Screttas, Catherine P. Raptopoulou, Aris Terzis

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 221 KB

english, 1997

41

Organolithium reagents bearing nonlinear optical chromophores. Synthesis of triarylmethane dyes

Cécile Arbez-Gindre, Constantinos G. Screttas, Céline Fiorini, Claudia Schmidt, Jean-Michel Nunzi

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 222 KB

english, 1999

42

Activated alkyl- and allyl-alkali metal reagents: Contrasting behaviour towards ethylene

Constantinos G. Screttas, Barry R. Steele

Journal:

Journal of Organometallic Chemistry

Year:

1993

Language:

english

File:

PDF, 862 KB

english, 1993

43

New hydroxystilbenoid derivatives endowed with neuroprotective activity and devoid of interference with estrogen and aryl hydrocarbon receptor-mediated transcription

Carolina Villalonga-Barber, Aggeliki K. Meligova, Xanthippi Alexi, Barry R. Steele, Constantinos E. Kouzinos, Constantinos G. Screttas, Efrosini S. Katsanou, Maria Micha-Screttas, Michael N. Alexis

Journal:

Bioorganic & Medicinal Chemistry

Year:

2011

Language:

english

File:

PDF, 1.16 MB

english, 2011

44

New stable, isolable triarylmethyl based dyes absorbing in the near infrared

Carolina Villalonga-Barber, Barry R. Steele, Veronika Kovač, Maria Micha-Screttas, Constantinos G. Screttas

Journal:

Journal of Organometallic Chemistry

Year:

2006

Language:

english

File:

PDF, 175 KB

english, 2006

45

Paramagnetic solvent nuclear magnetic resonance shifts in radical anion solutions. 2. Some cation-dependent phenomena in concentrated solutions of aromatic hydrocarbon radical anions and dianions

Screttas, Constantinos G., Micha-Screttas, Maria

Journal:

Journal of Organic Chemistry

Year:

1983

Language:

english

File:

PDF, 1.32 MB

english, 1983

46

Correlating thermochemical data with molar volumes. Toward defining chemical space

Constantinos G. Screttas, Georgios A. Heropoulos

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

1994

Language:

english

File:

PDF, 364 KB

english, 1994

47

Aryllithiums with Increasing Steric Crowding and Lipophilicity Prepared from Chlorides in Diethyl Ether. The First Directly Prepared Room-Temperature-Stable Dilithioarenes

Screttas, Constantinos G., Steele, Barry R., Micha-Screttas, Maria, Heropoulos, Georgios A.

Journal:

Organic Letters

Year:

2012

Language:

english

File:

PDF, 374 KB

english, 2012

48

The Utilization of Organolithium Compounds for the Preparation of Tertiary Phosphines, Phosphine Oxides, and Phosphine Sulfides

Screttas, Constantinos, Isbell, A. F.

Journal:

Journal of Organic Chemistry

Year:

1962

Language:

english

File:

PDF, 628 KB

english, 1962

49

Equivalent or alternative forms of the Evans-Polanyi-type relations

Screttas, Constantinos G.

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 456 KB

english, 1980

50

Could ionization potentials of free radicals serve as alkyl inductive substituent constants?

Screttas, Constantinos G.

Journal:

Journal of Organic Chemistry

Year:

1979

Language:

english

File:

PDF, 567 KB

english, 1979