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Molbank, Volume 2014, Issue 2 (June 2014)

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Open AccessShort Note 5-(6-Hydroxy-2,5,7,8-tetramethylchroman-2-yl)-2-methyl-pentanoic Acid Methyl Ester
Molbank 2014, 2014(2), M822; doi:10.3390/M822
Received: 10 February 2014 / Accepted: 14 April 2014 / Published: 21 April 2014
PDF Full-text (212 KB) | Supplementary Files
Abstract
A natural diastereomeric mixture of 5-(6-hydroxy-2,5,7,8-tetramethyl-chroman-2-yl)-2-methyl-pentanoic acid methyl ester (1), was isolated from the soft coral Sinularia arborea. The structure of 1 was elucidated by spectroscopic methods and 1 displayed a significantly inhibitory effect on the generation of superoxide [...] Read more.
A natural diastereomeric mixture of 5-(6-hydroxy-2,5,7,8-tetramethyl-chroman-2-yl)-2-methyl-pentanoic acid methyl ester (1), was isolated from the soft coral Sinularia arborea. The structure of 1 was elucidated by spectroscopic methods and 1 displayed a significantly inhibitory effect on the generation of superoxide anion by human neutrophils. Full article
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Open AccessShort Note Benzo[b]thiophene-2-carbaldehyde
Molbank 2014, 2014(2), M823; doi:10.3390/M823
Received: 3 March 2014 / Accepted: 8 May 2014 / Published: 12 May 2014
PDF Full-text (203 KB) | Supplementary Files
Abstract A novel expedient synthesis of benzo[b]thiophene-2-carbaldehyde 2 is reported. It is based on the one-pot sequential reaction of methylthiobenzene 1 with BuLi and DMF to give 2 in 80% isolated yield. Full article
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Open AccessShort Note 3-(4-Amino-1,2,5-oxadiazol-3-yl)-4-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole
Molbank 2014, 2014(2), M824; doi:10.3390/M824
Received: 24 March 2014 / Accepted: 19 May 2014 / Published: 22 May 2014
Cited by 2 | PDF Full-text (1248 KB) | Supplementary Files
Abstract The title compound 3-(4-amino-1,2,5-oxadiazol-3-yl)-4-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole (ANFF-1) was synthesized by: (1) by reaction of 3,4-bis(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole (BNFF-1) with gaseous ammonia in toluene and (2) by partial oxidation of 3,4-bis(4-amino-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole (BAFF-1) with 35% H2O2 in concentrated H2SO4. Full article
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Open AccessShort Note 3,5-Bis(2-hydroxybenzylidene)piperidin-4-one
Molbank 2014, 2014(2), M825; doi:10.3390/M825
Received: 24 March 2014 / Accepted: 20 May 2014 / Published: 26 May 2014
PDF Full-text (159 KB) | Supplementary Files
Abstract The title compound, 3,5-bis(2-hydroxybenzylidene)piperidin-4-one (3), was prepared via reaction of 2-hydroxybenzaldehyde (1) and 4-piperidone (2) under microwave irradiation in the presence of 10% NaOH solution. The compound was fully characterized from its UV, IR, NMR and MS data. Full article
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Open AccessShort Communication 4-[5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]benzohydrazide
Molbank 2014, 2014(2), M826; doi:10.3390/M826
Received: 9 April 2014 / Accepted: 23 May 2014 / Published: 30 May 2014
Cited by 12 | PDF Full-text (188 KB) | Supplementary Files
Abstract 4-(5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)benzohydrazide (5) was synthesized by three steps. The synthesis started with 2-methoxybenzohydrazide to form hydrazone (3) which was then cyclized to oxadiazole (4) and finally, treatment of oxadiazole (4) with hydrazine hydrate afforded the final product (5). Full article
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Open AccessShort Note Potassium {4-[(3S,6S,9S)-3,6-dibenzyl-9-isopropyl-4,7,10-trioxo-11–oxa-2,5,8-triazadodecyl]phenyl}trifluoroborate
Molbank 2014, 2014(2), M827; doi:10.3390/M827
Received: 31 March 2014 / Accepted: 21 May 2014 / Published: 30 May 2014
PDF Full-text (165 KB) | Supplementary Files
Abstract The reported compound 4 was synthesized and fully characterized by 1H NMR, 13C NMR, 11B NMR, 19F NMR, and high resolution mass spectrometry. Full article
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