Molbank

4 pages, 187 KB

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2,3,4,6-Tetra-O-benzyl-1-C-phenyl-α-D-glucopyranosyl 2,3,4,6-Tetra-O-benzyl-α-D-glucopyranoside

by Takashi Yamanoi, Ryo Inoue and Yoshiki Oda

Molbank 2012, 2012(2), M761; https://doi.org/10.3390/M761 - 15 Jun 2012

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The title compound 1 was synthesized by the coupling reaction of 2,3,4,6-tetra-O-benzyl-1-C-phenyl-α-D-glucopyranose (2) with 2,3,4,6-tetra-O-benzyl-D-glucopyranose (3) in the presence of 5 mol% bismuth(III) triflate in dichloromethane at 0 °C. Full article

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4 pages, 79 KB

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2,2'-Thio-bis[(4-methylphenyl)-2-aminobenzoate]

by Mahdieh Sadeghpour, Abolfazl Olyaei and Mortaza Rezaei

Molbank 2012, 2012(2), M760; https://doi.org/10.3390/M760 - 15 Jun 2012

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Abstract

A novel symmetrical bisamine derivative (4) was synthesized by condensation reaction of 2,2'-thio-bis[4-methylphenol] (1) and isatoic anhydride in acetonitrile as solvent in the presence of K₂CO₃ under reflux conditions. The structure of the title compound was [...] Read more.

A novel symmetrical bisamine derivative (4) was synthesized by condensation reaction of 2,2'-thio-bis[4-methylphenol] (1) and isatoic anhydride in acetonitrile as solvent in the presence of K₂CO₃ under reflux conditions. The structure of the title compound was established on the basis of elemental analysis, FT-IR, ¹H-NMR, ¹³C-NMR and mass spectral data. Full article

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3 pages, 80 KB

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4-{[(4-Chlorophenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate

by Sie-Tiong Ha, Guan-Yeow Yeap and Peng-Lim Boey

Molbank 2012, 2012(2), M759; https://doi.org/10.3390/M759 - 7 Jun 2012

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Abstract

A new Schiff base ester, 4-{[(4-chlorophenyl)imino]methyl}-3-hydroxyphenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, ¹H-NMR, ¹³C-NMR and MS spectroscopic data are presented. Full article

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5 pages, 106 KB

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3-(1H-Indol-3-yl)-4-(morpholin-4-yl)cyclobut-3-ene-1,2-dione

by Franziska Maiwald, Peter G. Jones, Mahmoud Aref, Marina Böttcher, Marc Karwehl, Armin Schniers, Carmen Stanke and Johann Grünefeld

Molbank 2012, 2012(2), M758; https://doi.org/10.3390/M758 - 7 Jun 2012

Cited by 1 | Viewed by 5577

Abstract

3-(1H-Indol-3-yl)-4-(morpholin-4-yl)cyclobut-3-ene-1,2-dione was obtained in good yields (72–82%) by nucleophilic substitution of 3-chloro-4-(1H-indol-3-yl)cyclobut-3-ene-1,2-dione with morpholine. Full article

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4 pages, 110 KB

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tert-Butyl 1-(Furan-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate

by Rajagopalan Srinivasan, Badiadka Narayana, Seranthimata Samshuddin and Balladka Kunhanna Sarojini

Molbank 2012, 2012(2), M757; https://doi.org/10.3390/M757 - 24 May 2012

Cited by 3 | Viewed by 4176

Abstract

A simple and novel route for synthesis of new spirocyclic compound is developed. The present work involves condensation of ethyl nipecotate with 2-furaldehyde followed by the MnO₂ oxidation to give the β-keto ester which upon reaction with hydrazine hydrate gives the [...] Read more.

A simple and novel route for synthesis of new spirocyclic compound is developed. The present work involves condensation of ethyl nipecotate with 2-furaldehyde followed by the MnO₂ oxidation to give the β-keto ester which upon reaction with hydrazine hydrate gives the spiro pyrazolone. Full article

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3 pages, 86 KB

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7-{[2-(4-Hydroxyphenyl)methylidene]amino}-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid

by Ghulam Fareed, Mahboob A. Kalhoro, Muhammad A. Versiani, Nighat Afza and Nazia Fareed

Molbank 2012, 2012(2), M756; https://doi.org/10.3390/M756 - 10 May 2012

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Abstract

Novel 7-{[2-(4-hydroxyphenyl)methylidene]amino}-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl}-8-oxo-5-thia-1azabicyclo [4.2.0]oct-2-ene-2-carboxylic acid was prepared by condensation of ceftriaxone disodium (1) with 4-hydroxybenzaldehyde (2) in ethanol under reflux conditions for 3–4 h. The structure of synthesized compound was elucidated using LCMS, ¹H-NMR, and CHN techniques. Full article

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3 pages, 85 KB

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4-{[(4-Bromophenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate

by Sie-Tiong Ha, Guan-Yeow Yeap and Peng-Lim Boey

Molbank 2012, 2012(2), M755; https://doi.org/10.3390/M755 - 20 Apr 2012

Viewed by 3812

Abstract

A new Schiff base ester, 4-{[(4-bromophenyl)imino]methyl}-3-hydroxyphenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, ¹H NMR, ¹³C NMR and MS spectroscopic data are presented. Full article

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3 pages, 274 KB

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N,N’-Bis-(2,5-dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)phthalamide

by Fatma Aydin and Erdoğan Dağci

Molbank 2012, 2012(2), M754; https://doi.org/10.3390/M754 - 18 Apr 2012

Viewed by 3906

Abstract

The title compound, N,N’-bis-(2,5-dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)phthalamide has been synthesized by reactions of o-phthaloyl chloride with 4-amino-2,5-dimethyl-1-phenyl-3-oxo-1H-pyrazolone in acetonitrile. The structure of the new compound was characterized by FT-IR, ¹H NMR, ¹³C NMR and mass spectroscopic techniques. Physical [...] Read more.

The title compound, N,N’-bis-(2,5-dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)phthalamide has been synthesized by reactions of o-phthaloyl chloride with 4-amino-2,5-dimethyl-1-phenyl-3-oxo-1H-pyrazolone in acetonitrile. The structure of the new compound was characterized by FT-IR, ¹H NMR, ¹³C NMR and mass spectroscopic techniques. Physical parameters of the compound such as melting point, solubility, λ_max were examined. Full article

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3 pages, 108 KB

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4-{[(4-Methoxyphenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate

by Sie-Tiong Ha, Guan-Yeow Yeap and Peng-Lim Boey

Molbank 2012, 2012(2), M753; https://doi.org/10.3390/M753 - 17 Apr 2012

Viewed by 4076

Abstract

A new Schiff base ester, 4-{[(4-methoxyphenyl)imino]methyl}-3-hydroxyphenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, ¹H NMR, ¹³C NMR and MS spectroscopic data are presented. Full article

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6 pages, 138 KB

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Methyl 6-Methyl-1-(4-methylphenyl)-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

by Qing Chen, Qingjian Liu and Haiping Wang

Molbank 2012, 2012(2), M752; https://doi.org/10.3390/M752 - 17 Apr 2012

Cited by 3 | Viewed by 5209

Abstract

Methyl 6-methyl-1-(4-methylphenyl)-2-oxo-4-phenyl-1,2,3,4-tetrahydro-pyrimidine-5-carboxylate has been synthesized via the modified Biginelli reaction from benzaldehyde, p-tolylurea, and methyl acetoacetate, promoted with microwave irradiation and catalyzed by TsOH under solvent-free conditions in high yield. Full article

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Molbank, Volume 2012, Issue 2 (June 2012) – 10 articles

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