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1

Preliminary in vitro Cytotoxic Assay on HepG2 and Antibacterial Screening Activity: Synthesis and Characterization of Organotin(IV) Complexes Derivatives of 2-Methyl-3-nitrobenzoic Acid

Win, Yip-Foo, Teoh, Siang-Guan, Ha, Sie-Tiong, Tengku-Muhammad, Tengku-Sifzizul, Yousif, Emad

Journal:

Asian Journal of Chemistry

Year:

2013

Language:

english

File:

PDF, 287 KB

english, 2013

2

Complex salts derived from the reactions of Me2SnCl2 with some aromatic Schiff bases. Crystal structure of bis[N-(2-methoxy-1-naphthalidene)-3-methoxyanilinium]hexachlorotetramethyldistannate(IV)dihydrate: [CH3OC10H6CH: NHC6H4OCH3]2[(CH3)4Sn2Cl6][H2O]2

Siang-Guan Teoh, Soon-Beng Teo, Guan-Yeow Yeap, Hoong-Kun Fun

Journal:

Journal of Organometallic Chemistry

Year:

1992

Language:

english

File:

PDF, 491 KB

english, 1992

3

A complex salt formed in reactions of nBuSnCl3 with 1-(2-methyl-2,3-dihydrobenzothiazol-2-yl)-2-ketones

Teo Soon-Beng, Teoh Siang-Guan, Rosaline C. Okechukwu, Fun Hoong-Kun

Journal:

Journal of Organometallic Chemistry

Year:

1993

Language:

english

File:

PDF, 466 KB

english, 1993

4

The structures of the adducts formed from organotin moieties and 1-[(4-methoxyphenylimino)methyl]-2-naphthol. Crystal structure of chloro-trimethyl[1-[

Siang-Guan Teoh, Soon-Beng Teo, Guan-Yeow Yeap, Hoong-Kun Fun, Peter J. Smith

Journal:

Journal of Organometallic Chemistry

Year:

1993

Language:

english

File:

PDF, 470 KB

english, 1993

5

Synthesis and crystal structure of Ru3(CO)6(μ3-PPhCH2PPh2)(μ3-CyNC)- (CyNC)2 (Ph), an open trinuclear cluster complex containing an isocyanide ligand acting as a 4-electron donor

Omar bin Shawkataly, Siang-Guan Teoh, Hoong-Kun Fun

Journal:

Journal of Organometallic Chemistry

Year:

1994

Language:

english

File:

PDF, 194 KB

english, 1994

6

Synthesis and crystal structure of the tetrabutylbis(thiophene gloxylato) distannoxane dimer, {[(C4H9)2SnO2CC(O)C4H3S]2O}2

Siang-Guan Teoh, Eng-Seng Looi, Soon-Beng Teo, Seik-Weng Ng

Journal:

Journal of Organometallic Chemistry

Year:

1996

Language:

english

File:

PDF, 829 KB

english, 1996

7

Synthesis and crystal structure of di-n-butylbis(2-amino-5-chlorobenzoato)tin(IV)

Siang-Guan Teoh, Show-Hing Ang, Eng-Seng Looi, Chye-Aun Keok, Soon-Beng Teo, Jean-Paul Declercq

Journal:

Journal of Organometallic Chemistry

Year:

1996

Language:

english

File:

PDF, 618 KB

english, 1996

8

Syntheses and spectroscopic studies of inorganic tin and organotin derivatives of 1-(4-methylphenylimino)methyl]-2-naphthol. Crystal structure of chlorotrimethyl 1-(4-methylphenylimino)methyl]-2-naphtholTin(IV)

Siang-Guan Teoh, Guan-Yeow Yeap, Soon-Beng Teo, Hoong-Kun Fun

Journal:

Year:

1995

Language:

english

File:

PDF, 364 KB

english, 1995

9

Novel N,N′-methylene-bridged metal(II) complexes of N,N′-methylenedi(4-hydroxy-l-proline) obtained from the condensation of bis(4-hydroxy-l-prolinato)metal(II) with formaldehyde

Teo Soon-beng, Teoh Siang-Guan, Ng Chew-Hee, Fun Hoong-kun, Jean-Paul Declercq

Journal:

Year:

1995

Language:

english

File:

PDF, 307 KB

english, 1995

10

Syntheses and characterization of some inorganic tin and organotin(IV) adducts of N-p-methoxyphenylpyridine-2-carbaldimine

Siang-Guan Teoh, Soon-Beng Teo, Leong-Kok Lee, Yan-Lee Chong, Edward R.T. Tiekink

Journal:

Year:

1995

Language:

english

File:

PDF, 329 KB

english, 1995

11

Inner sphere complexes derived from the coordinate interactions of tin(iv) isothiocyanate moieties with 1-[(4-methylphenylimino)methyl]-2-phenol. crystal structure of diisothiocyanatodimethylbis 1[(4-methylphenylimino)methyl]-2-phenoltin(iv), Me2Sn(NCS)2 · [HOC6H4CH : NC6H4CH3]2

Guan-Yeow Yeap, Siang-Guan Teoh, Soon-Beng Teo, Saow-Chen Loh, Hoong-Kun Fun

Journal:

Year:

1996

Language:

english

File:

PDF, 413 KB

english, 1996

12

Synthesis, characterization and biological properties of cobalt(II) complexes of 1,10-phenanthroline and maltol

Lee Fang Chin, Siew Ming Kong, Hoi Ling Seng, Kong Soo Khoo, Rajamurthy Vikneswaran, Siang Guan Teoh, Munirah Ahmad, Soo Beng Alan Khoo, Mohd Jamil Maah, Chew Hee Ng

Journal:

Journal of Inorganic Biochemistry

Year:

2011

Language:

english

File:

PDF, 786 KB

english, 2011

13

mer-Tris(β-alaninato)cobalt(III): Crystal structure, solution properties and its DNA cleavage in the presence of ascorbic acid

Chew Hee Ng, Han Kiat Alan Ong, Koh Sing Ngai, Wee Tee Tan, Lai Peng Lim, Siang Guan Teoh, Thiam Seong Chong

Journal:

Year:

2005

Language:

english

File:

PDF, 186 KB

english, 2005

14

Mono- and di-N-acetamidomethylated derivatives of bis(l-alaninato)copper(II): Characterization and nucleolytic property: Crystal structure of bis[N,N-di-(N′-methylacetamido)-l-alaninato]copper(II)

Chew Hee Ng, Chia Meow Lin, Ti Mei Chang, Siang Guan Teoh, Siaw Yang Yap, Seik Weng Ng

Journal:

Year:

2006

Language:

english

File:

PDF, 240 KB

english, 2006

15

Characterization, nucleolytic, cytotoxic and antibacterial property of tetrakis(μ-4-chloro-2-nitrobenzoato-κ2O,O′)bis[aquacopper(II)], tetrakis(μ-2-chloro-6-fluorobenzoato-κ2O,O′)bis[aquacopper(II)] and tetrakis(μ-2-chlorobenzoato-κ2O,O′)bis[aquacopper(II)]

Eng-Khoon Lim, Siang-Guan Teoh, Siu-Mun Goh, Cynn-Dee Ch’ng, Chew-Hee Ng, Hoong-Kun Fun, Mohd Mustaqim Rosli, Nazalan Najimudin, Hooi-Kheng Beh, Lay-Jing Seow, Norhayati Ismail, Zhari Ismail, Mohd Zai

Journal:

Year:

2009

Language:

english

File:

PDF, 852 KB

english, 2009

16

Demetallation and esterification reactions of heterocyclic amino acid complexes

Teo Soon-Beng, Teoh Siang-Guan

Journal:

Inorganica Chimica Acta

Year:

1985

Language:

english

File:

PDF, 341 KB

english, 1985

17

Condensation of bis(glycinato)nickel(II) with formaldehyde and ammonia: x-ray structure of bis[3N, 7N-(1,3,5,7-tetraazabicyclo[3.3.1]nonyl)diacetato]nickel(II)

Soon-Beng Teo, Siang-Guan Teoh, Michael R. Snow

Journal:

Inorganica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 211 KB

english, 1984

18

Condensation of bis(glycinato)nickel(II) with formaldehyde and ammonia: X-ray structure of bis[3N,7N-(1,3,5,7-tetraazabicyclo[3.3.1]nonyl)diacetato]nickel(II)

Soon-Beng Teo, Siang-Guan Teoh, Michael R. Snow

Journal:

Inorganica Chimica Acta

Year:

1985

Language:

english

File:

PDF, 41 KB

english, 1985

19

Formation of the esters of N-(1,3-dioxa-5-azacyclohexyl)acetic acid via the demetallation reaction of the copper(II) complex of the acid

Soon-Beng Teo, Siang-Guan Teoh

Journal:

Inorganica Chimica Acta

Year:

1983

Language:

english

File:

PDF, 261 KB

english, 1983

20

N-hydroxymethylation of ethylene-bridged glycine metal(II) complexes by formaldehyde

Chew-Hee Ng, Soon-Beng Teo, Siang-Guan Teoh, Hoong-Kun Fun, Jean-Paul Declercq

Journal:

Inorganica Chimica Acta

Year:

2002

Language:

english

File:

PDF, 178 KB

english, 2002

21

Novel hydroxo bidentate carboxylate bridging in diorganotin(IV) carboxylate complex Synthesis and crystal structure of μ-hydroxo-μ-trichloroacetato-O,O′-bis (trichloroacetato-O)-bis[dibutyltin(IV)], Sn2(C4H9)4(O2CCCl3)3(OH)

Siang-Guan Teoh, Show-Hing Ang, Eng-Seng Looi, Chye-Aun Keok, Soon-Beng Teo, Hoong-Kun Fun

Journal:

Journal of Organometallic Chemistry

Year:

1997

Language:

english

File:

PDF, 725 KB

english, 1997

22

Synthesis, crystal structure and biological activity of thiophene-2-carboxaldehyde thiosemicarbazone and its tin complexes

Siang-Guan Teoh, Show-Hing Ang, Hoong-Kun Fun, Chi-Wi Ong

Journal:

Journal of Organometallic Chemistry

Year:

1999

Language:

english

File:

PDF, 101 KB

english, 1999

23

A dimeric tin(IV) complex derived from the reaction of 2-(2-methoxyphenyl)benzothiazole with tin(II) chloride

Soon-Beng Teo, Siang-Guan Teoh, Rosaline C. Okechukwu, Hoong-Kun Fun

Journal:

Year:

1994

Language:

english

File:

PDF, 442 KB

english, 1994

24

Syntheses of stannate(IV) complexes: [LH+]2[SnCl6]2−, [LH+]2[Me4Sn2 Cl6]2− and [LH+]2[Ph2SnCl4]2− (LH+ = protonated benzalideneaniline Schiff bases). Crystal structure of the tetrachlorodiphenylstannate(IV) salt [L′H+]2[Ph2SnCl4]2− {L′ = N-(4-hydroxybenzalidene)-4-methoxyaniline}, derived from phenyltin trichloride and L′

Siang-Guan Teoh, Soon-Beng Teo, Guan-Yeow Yeap, Jean-Paul Declercq

Journal:

Year:

1992

Language:

english

File:

PDF, 508 KB

english, 1992

25

The coordinative interaction of a diorganotin dihalide with N-(meta-substituted phenyl)-2-hydroxynaphthalideneimine

Siang-Guan Teoh, Soon-Beng Teo, Guan-Yeow Yeap, Jean-Paul Declercq

Journal:

Year:

1991

Language:

english

File:

PDF, 320 KB

english, 1991

26

Effect of different α-substituents on the Mannich reaction of copper(II) chelated α-amino acids with formaldehyde and acetamide: X-ray structure of aquabis(3-methylacetamido-5-methyl-oxazolidine-4-carboxylato)-copper(II)

Chew Hee Ng, Yih Tong Lim, Norhayati Moris, Siang Guan Teoh

Journal:

Year:

2003

Language:

english

File:

PDF, 182 KB

english, 2003

27

Inner coordination sphere tin(IV) complexes with some O,N,N-terdentate {N-(2-hydroxybenzaldehyde)-1-amino-2-phenyleneimine and N-(2-hydroxy-1-naphthaldehyde)-1-amino-2-phenyleneimine} and O,N,N,O-quadridentate {N,N′-bis(2-hydroxybenzaldehyde)-1,2-phenylenediimine and N,N′-bis(2-hydroxy-1-naphthaldehyde)-1,2-phenylenediimine} Schiff bases

Siang-Guan Teoh, Guan-Yeow Yeap, Ching-Ching Loh, Lai-Wan Foong, Soon-Beng Teo, Hoong-Kun Fun

Journal:

Year:

1997

Language:

english

File:

PDF, 501 KB

english, 1997

28

Synthesis and characterization of di-n-butylbis(2,4-dihydroxybenzoato tin(IV)

Siang-Guan Teoh, Show-Hing Ang, Jean-Paul Declercq

Journal:

Year:

1997

Language:

english

File:

PDF, 344 KB

english, 1997

29

Synthesis, Characterization and Crystal Structure of the Bis(2,4-dinitrobenzoato)tetrabutyldistannoxane(IV) Dimer

Yip Foo Win, Siang Guan Teoh, Eng Khoon Lim, Shea Lin Ng, Hoong Kun Fun

Journal:

Journal of Chemical Crystallography

Year:

2008

Language:

english

File:

PDF, 399 KB

english, 2008

30

Synthesis, Crystal Structure and Luminescent Properties of Some Zn(II) Schiff Base Complexes: Experimental and Computational Study

Naser Eltaher Eltayeb, Siang Guan Teoh, Rohana Adnan, Jeannie Bee-Jan Teh, Hoong-Kun Fun

Journal:

Journal of Fluorescence

Year:

2011

Language:

english

File:

PDF, 451 KB

english, 2011

31

Nature of the metal(II) complexes formed in the reactions of formaldehyde with the bis(glycinato) complexes of nickel(II), cobalt(II) and copper(II) at pH 4.5

So'on-Beng Teo, Siang-Guan Teoh

Journal:

Inorganica Chimica Acta

Year:

1984

Language:

english

File:

PDF, 251 KB

english, 1984

32

Metal(II) complexes of (N,N-di-N′-methylacetamido)glycine derived from mannich aminomethylation of bis(glycinato)metal(II), formaldehyde and acetamide

Soon-Beng Teo, Chew-Hee Ng, Siang-Guan Teoh, Chen Wei

Journal:

Year:

1994

Language:

english

File:

PDF, 459 KB

english, 1994

33

New Crown-Shaped Polyoxovanadium(V) Cluster Cation with a μ6-Sulfato Anion and Zwitterionic μ-(β-Alanine): Crystal Structure of [V6O12(OH)3(O2CCH2CH2NH3)3(SO4)][Na][SO4]·13H2O

Ng, Chew Hee, Lim, Chai Wei, Teoh, Siang Guan, Fun, Hoong-Kun, Usman, Anwar, Ng, Seik Weng

Journal:

Inorganic Chemistry

Year:

2002

Language:

english

File:

PDF, 90 KB

english, 2002

34

Novel modified ultrasonication technique for the extraction of lycopene from tomatoes

Alice Lee-Sie Eh, Siang-Guan Teoh

Journal:

Ultrasonics Sonochemistry

Year:

2012

Language:

english

File:

PDF, 754 KB

english, 2012

35

New N-heterocyclic carbene mercury(II) complexes: Close mercury–arene interaction

Rosenani A. Haque, Abbas Washeel Salman, Teoh Siang Guan, Hassan Hadi Abdallah

Journal:

Journal of Organometallic Chemistry

Year:

2011

Language:

english

File:

PDF, 547 KB

english, 2011

36

CRYSTAL STRUCTURE OF BIS(β-ALANINATO)ZINC(II)

Ng, Chew-Hee, Zhou, Zhong-Yuan, Fun, Hoong-Kun, Teo, Soon-Beng, Teoh, Siang-Guan, Naumov, Pance, Ng, Seik Weng

Journal:

Main Group Metal Chemistry

Year:

2001

Language:

english

File:

PDF, 307 KB

english, 2001

37

Zn(II)ferrocenylthiosemicarbazones: DNA Binding and Nuclease Activity

Rajamuthy, Vikneswaran, Teoh, Siang Guan, Majid, Amin Malik Shah Abdul, Yeap, Chin Sing, Fun, Hoong-Kun, Ng, Chew Hee, Ng, Seik Weng

Journal:

Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 714 KB

english, 2013

38

Synthesis of copper(II) complexes of isatin thiosemicarbazone derivatives: In vitro anti-cancer, DNA binding, and cleavage activities

Ali, Amna Qasem, Teoh, Siang Guan, Eltayeb, Naser Eltaher, Khadeer Ahamed, Mohamed B., Abdul Majid, A.M.S.

Journal:

Year:

2014

Language:

english

File:

PDF, 2.39 MB

english, 2014

39

Synthesis of water soluble copper(II) complexes: crystal structures, DNA binding, oxidative DNA cleavage, and in vitro anticancer studies

Han, Tan Yi, Guan, Teoh Siang, Iqbal, Muhammad Adnan, Haque, Rosenani A., Sharmila Rajeswari, K., Khadeer Ahamed, Mohamed B., Abdul Majid, A. M. S.

Journal:

Medicinal Chemistry Research

Year:

2014

Language:

english

File:

PDF, 2.26 MB

english, 2014

40

Synthesis of isatin thiosemicarbazones derivatives: In vitro anti-cancer, DNA binding and cleavage activities

Ali, Amna Qasem, Teoh, Siang Guan, Salhin, Abdussalam, Eltayeb, Naser Eltaher, Khadeer Ahamed, Mohamed B., Majid, A.M.S. Abdul

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2014

Language:

english

File:

PDF, 2.43 MB

english, 2014

41

Synthesis of platinum(II) complexes of isatin thiosemicarbazones derivatives: In vitro anti-cancer and deoxyribose nucleic acid binding activities

Ali, Amna Qasem, Teoh, Siang Guan, Salhin, Abdussalam, Eltayeb, Naser Eltaher, Ahamed, Mohamed B. Khadeer, Majid, A.M.S. Abdul

Journal:

Inorganica Chimica Acta

Year:

2014

Language:

english

File:

PDF, 758 KB

english, 2014

42

Synthesis of metal(II) [M

Farag, Abeer Mohamed, Guan, Teoh Siang, Osman, Hasnah, Majid, A. M. S. Abdul, Iqbal, Muhammad Adnan, Ahamed, Mohamed B. Khadeer

Journal:

Medicinal Chemistry Research

Year:

2013

Language:

english

File:

PDF, 415 KB

english, 2013

43

Synthesis of nickel(II) complexes of isatin thiosemicarbazone derivatives: in vitro anti-cancer, DNA binding, and cleavage activities

Ali, Amna Qasem, Teoh, Siang Guan, Eltayeb, Naser Eltaher, Ahamed, Mohamed B. Khadeer, Majid, Ams Abdul

Journal:

Journal of Coordination Chemistry

Year:

2014

Language:

english

File:

PDF, 804 KB

english, 2014

44

SYNTHESIS AND CRYSTAL STRUCTURE OF POLYMERIC TRIPHENYLTIN(IV) 4-PYRIDINECARBOXYLATE

Teoh, Siang-Guan, Ang, Show-Hing, Lim, Huat-Chye, Fun, Hoong-Kun, Ibrahim, Abdul Razak

Journal:

Journal of Coordination Chemistry

Year:

1998

Language:

english

File:

PDF, 444 KB

english, 1998

45

PROTONATED LIGAND OUTER-SPHERE COMPLEX FORMED IN THE REACTION OF 6-METHYLPYRIDINE-2-CARBOXALDEHYDE PHENYLHYDRAZONE WITH Ph 2 SnCl 2 . A TRUE CASE OF HYDROGEN BONDING INVOLVING AN Sn-CI BOND

Teo, Soon-Beng, Teo, Hui-Shan, Yeow, Liang-Ming, Chang, Seng-Teong, Teoh, Siang-Guan, Tiekink, E. R. T.

Journal:

Journal of Coordination Chemistry

Year:

2000

Language:

english

File:

PDF, 371 KB

english, 2000

46

Reactions of Bis ( β -Alaninato) Metal(II) Complexes with Formaldehyde and Benzamide: The Crystal Structure of Bis [ N -Methyl- N -( N′ -Methyl-Benzamido)- β -Alaninato]Copper(II) Monohydrate and Characterization of Bis [ N , N -DI( N′ -Methylbenzamido)- β -Alaninato]Metal(II) Complexes

NG, Chew-Hee, Teo, Soon-Beng, Teoh, Siang-Guan, Declercq, Jean-Paul

Journal:

Journal of Coordination Chemistry

Year:

2002

Language:

english

File:

PDF, 156 KB

english, 2002

47

An oxido-bridged dinickel(II) complex with L -alanine derived spiro ligand from an unusual mannich aminomethylation

Ng, Chew Hee, Chong, Thiam Seong, Teoh, Siang Guan, Ng, Seik Weng

Journal:

Journal of Coordination Chemistry

Year:

2005

Language:

english

File:

PDF, 176 KB

english, 2005

48

Reactions of a series of bis(??-amino acidato)copper(ii) complexes with formaldehyde and benzamide: aldol-type condensation versus Mannich aminomethylation

Ng, Chew Hee, Chong, Thiam Seong, Teoh, Siang Guan, Adams, Farook, Ng, Seik Weng

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

2002

Language:

english

File:

PDF, 222 KB

english, 2002

49

Synthesis, crystal structure and biological activity of bis(acetone thiosemicarbazone-S)dichlorodiphenyltin(IV)

Teoh, Siang-Guan, Ang, Show-Hing, Teo, Soon-Beng, Fun, Hoong-Kun, Khew, Khing-Ling, Ong, Chi-Wi

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1997

Language:

english

File:

PDF, 274 KB

english, 1997

50

Reaction of bis(glycinato)copper(II) with formaldehyde and benzaldehyde phenylhydrazone: X-ray crystal structure of aquabis[(2,3,4,5-tetrahydro-2,6-diphenyl-1,2,4-triazin-4-yl)acetato-O,N 4]copper(II) dihydrate

Teo, Soon-Beng, Teoh, Siang-Guan, Hambley, Trevor W., Snow, Michael R.

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

1986

Language:

english

File:

PDF, 420 KB

english, 1986

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