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Molecules, Volume 7, Issue 9 (September 2002), Pages 690-720

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Open AccessArticle Crystal Structure of N,N-bis-(3-Carbomethoxy-5-methyl-pyrazol-1-ylmethyl)aniline
Molecules 2002, 7(9), 690-696; doi:10.3390/70900690
Received: 13 May 2002 / Revised: 9 September 2002 / Accepted: 10 September 2002 / Published: 30 September 2002
Cited by 2 | PDF Full-text (366 KB) | HTML Full-text | XML Full-text
Abstract
The tripodal ligand N,N-bis-(3-carbomethoxy-5-methylpyrazol-1-yl)methyl aniline (2) has been prepared by the condensation of aniline with two equivalents of N-hydroxymethyl[3-carbomethoxy-5-methyl]pyrazole. The molecule consists of two structurally analogous 3-carbomethoxy-5-methylpyrazol-1-ylmethyl moieties, which adopt a transoidal conformation via a central aniline ring, suggesting that this tripodal ligand
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The tripodal ligand N,N-bis-(3-carbomethoxy-5-methylpyrazol-1-yl)methyl aniline (2) has been prepared by the condensation of aniline with two equivalents of N-hydroxymethyl[3-carbomethoxy-5-methyl]pyrazole. The molecule consists of two structurally analogous 3-carbomethoxy-5-methylpyrazol-1-ylmethyl moieties, which adopt a transoidal conformation via a central aniline ring, suggesting that this tripodal ligand is highly flexible and could accommodate many metals by coordination. Full article
Open AccessArticle Regioselective Protection of the 4-Hydroxyl of 3,4-Dihydroxy-benzaldehyde
Molecules 2002, 7(9), 697-705; doi:10.3390/70900697
Received: 30 July 2002 / Revised: 12 September 2002 / Accepted: 14 September 2002 / Published: 30 September 2003
Cited by 11 | PDF Full-text (323 KB) | HTML Full-text | XML Full-text
Abstract The regioselective protection of the 4-hydroxyl group of 3,4-dihydroxy-benzaldehyde was accomplished with seven different protecting groups (benzyl, p-methoxybenzyl, o-nitrobenzyl, 2,6-dichlorobenzyl, 3,4-dichlorobenzyl, vinyl and propargyl) in yields ranging between 67-75%. Full article
Open AccessArticle Diazoamino Coupling of a 4-Sulfobenzenediazonium Salt with Some Cyclic Amines
Molecules 2002, 7(9), 706-711; doi:10.3390/70900706
Received: 28 August 2002 / Revised: 17 September 2002 / Accepted: 19 September 2002 / Published: 30 September 2002
Cited by 8 | PDF Full-text (304 KB) | HTML Full-text | XML Full-text
Abstract Preparation of several novel potassium salts of 4-substituted aminoazo-benzenesulfonic acids by the simple and convenient reaction of insoluble 4-sulfo-benzenediazonium chloride with some (hetero)cyclic amines of various ring sizes is reported. The compounds obtained have shown potential antiinflammatory activity in biological testing. Full article
Open AccessArticle Chemical Composition of the Essential Oil of Psidium caudatum McVaugh
Molecules 2002, 7(9), 712-716; doi:10.3390/70900712
Received: 2 September 2002 / Revised: 17 September 2002 / Accepted: 19 September 2002 / Published: 30 September 2002
Cited by 4 | PDF Full-text (75 KB) | HTML Full-text | XML Full-text
Abstract The chemical composition of the essential oil of Psidium caudatum McVaugh was investigated and thirty-two compounds were identified by HRGC-MS. The main constituents were terpinen-4-ol (47.72%), γ-terpinene (11.58%) and α-terpinene (6.70%). Full article

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Open AccessCorrection Publication Note Concerning Molecules 2002, 7, 717-720
Molecules 2002, 7(9), 717-720; doi:10.3390/70900717
Published: 30 September 2002
PDF Full-text (80 KB) | Correction

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