Zobrazeno 1 - 10 of 49 pro vyhledávání: '"Lian-Ee Khoo"'
1
3-Hydroxyphthalide and its adduct with dibutyltin oxide
Autor: A. Hazell, Lian Ee Khoo
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 55:2070-2073
3-Hydroxyphthalide, C 8 H 6 O 3 , reacts with dibutyltin oxide to give bis{μ 3 -oxo-(μ-2-formylbenzoato-O:O')-(2-formylbenzoato-O)bis[dibutyltin(IV)]}, [Sn 4 (C 4 H 9 ) 8 (C 8 H 5 O 3 ) 4 (μ-O) 2 ], in which the four Sn atoms are all five-coordina
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee442ef986bc32e7801ab626c40d83d5
https://doi.org/10.1107/s0108270199009282
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2
Synthesis of Substituted 3-Aminocoumarins from Ethyl N-2-Hydroxyarylideneglycinates
Autor: Lian Ee Khoo
Publikováno v: Synthetic Communications. 29:2533-2537
3-Aminocoumarin and its derivatives are prepared by a thermal (150-170°C) conversion reaction on the corresponding ethyl N-2-hydroxyarylidene-glycinates,[2-HOC6H3(X)CH=NCH2CO2C2H5; X = H, 5-Br, 5-OH, 5-NO2, 3-OMe, 4-OMe, and 5,6-benzo], which are sy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ddff3c04a1e19ce2687e44d3b695fca
https://doi.org/10.1080/00397919908086261
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3
8-Methylaminoquinolinium Salts of Tetrachlorodimethylstannate(IV) and Tetrachlorodiphenylstannate(IV)
Autor: Zara Miravent Tavares, Lian Ee Khoo, Alan Hazell, Bernhard J. Rausch, Jiexiang Ouyang
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 54:728-732
The title compounds, (C10H11N2)2[SnCl4(CH3)2] and (C10H11N2)2[SnCl4(C6H5)2], have been prepared from the reaction of 8-methylaminoquinoline with diorganotin dichlorides. In the methyl compound, the Sn atom is coordinated to two methyl groups, which a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a92f9a016a4ee3de77191a52cdd0c3ff
https://doi.org/10.1107/s0108270198000626
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4
Reactions of 8-methoxyquinoline [C10H9ON] and diorganotin dichlorides. Crystal structures of [C10H9ON·H]2Ph2SnCl4 and [C10H9ON·H·NOH9C10]Ph2SnCl3
Autor: Jiexiang Ouyang, Lian Ee Khoo, Yan Xu
Publikováno v: Journal of Organometallic Chemistry. 561:143-152
The reactions of 8-methoxyquinoline (C10H9ON) with R2SnCl2 (R=Ph, Me, n-Bu) have been investigated. All these reactions yielded the corresponding distannoxanes, [(R2SnCl)2O]2, 8-methoxyquinolinium chloride for R=n-Bu and organostannate salts for R=Ph
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::05b40d029916135e22fe5c14d8f3a327
https://doi.org/10.1016/s0022-328x(98)00509-9
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5
The synthesis, structural characterization and biocidal properties of some triorganotin(IV) esters ofN-arylidene-?-amino acids
Autor: Deborah Whalen, Lian Ee Khoo, Frank E. Smith, Rosemary C. Hynes, George Eng, Chit Kay Chu, Ngoh Khang Goh
Publikováno v: Applied Organometallic Chemistry. 12:457-466
The methods of synthesis, elemental analysis, IR and NMR spectroscopic data and fungicidal activity against Ceratocystis ulmi are reported for a series of triorganotin esters of N-arylidene-ω-amino acids of general formula R 3 SnO-CO(CH 2 ) n N = CH
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9844d511e88a054dfddc6dba3b12fea2
https://doi.org/10.1002/(sici)1099-0739(199806)12:6<457::aid-aoc720>3.0.co
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7
A 1:1 adduct of 3-(piperidin-1-yl)propionic acid with triphenyltin chloride
Autor: Yaw-Kai Yan, Lian Ee Khoo
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 61:m781-m783
3-(Piperidin-1-yl)propionic acid, C8H15NO2, forms a 1:2 adduct, bis-chlorotriphenyl[3-(piperidinium-1-yl)propionato]tin(IV (C8H15NO2)[Sn(C6H5)3Cl]2, with triphenyl­tin chloride, [Sn(C6H5)3Cl]. The acidic H atom is transferred to the imine N atom and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::53d280c467b1cfdb8e2482ad637afced
https://doi.org/10.1107/s1600536805009517
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8
The synthesis, and molecular and crystal structure of diphenyl(2-oxidonaphthylmethyl-iminoacetato)tin(IV)
Autor: Rosemary C. Hynes, Frank E. Smith, Lian Ee Khoo, George Eng, Ngoh Khang Goh
Publikováno v: Canadian Journal of Chemistry. 74:2041-2047
The new diorganotin complex ((C6H5)2Sn(OC10H6CH=NCH2COO)) was prepared and characterized by 1H NMR, IR, elemental analysis, and a single crystal X-ray diffraction study. The crystals are monoclinic, space group P21/a with a = 16.9167(9) Å, b = 19.12
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4de5a6fa333485ed77ab3cd9fec6f54f
https://doi.org/10.1139/v96-233
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10
Triphenyltin Esters ofN-(2-Carboxybenzylidene)anilines: Synthesis, Spectroscopic Characterization, X-ray Structure Analysis and Fungicidal Activity
Autor: Lian Ee Khoo, Deborah Whalen, Yan Xu, George Eng, Lip Lin Koh, Ngoh Khang Goh
Publikováno v: Applied Organometallic Chemistry. 10:459-465
Four triphenyltin carboxylates formulated as o-Ph 3 SnOCOC 6 H 4 CH=N-Ar (Ar=C 6 H 5 ; p-CH 3 C 6 H 4 ; o-CH 3 C 6 H 4 ; o-HOC 6 H 4 ) were prepared and spectroscopically characterized. The crystal structure of o-Ph 3 SnOCOC 6 H 4 CH=NC 6 ,H 5 indica
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49970b0354fab1d7809e3a645a04d8b0
https://doi.org/10.1002/(sici)1099-0739(199608)10:6<459::aid-aoc501>3.0.co
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