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1998
DOI: 10.1002/(sici)1522-2675(19981216)81:12<2407::aid-hlca2407>3.0.co;2-x
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Lipase-Catalyzed Acylation and Deacylation Reactions of Pyridoxine, a Member of Vitamin-B6 Group

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Cited by 19 publications
(13 citation statements)
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“…([BMIM]PF 6 ) was chosen because of its good stability and excellent performance as a medium in many reactions [15][16][17], for example, in a green route to synthesize a pharmaceutical product [18] in high yield. Acetonitrile, in which pyridoxine has a higher solubility, was chosen as a representative traditional solvent for a comparative study (14). The effects of important factors such as acylating agents, reaction temperature and time, enzyme amount and water activity on the conversion and regioselectivity were investigated.…”
Section: Introductionsupporting
confidence: 90%
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“…([BMIM]PF 6 ) was chosen because of its good stability and excellent performance as a medium in many reactions [15][16][17], for example, in a green route to synthesize a pharmaceutical product [18] in high yield. Acetonitrile, in which pyridoxine has a higher solubility, was chosen as a representative traditional solvent for a comparative study (14). The effects of important factors such as acylating agents, reaction temperature and time, enzyme amount and water activity on the conversion and regioselectivity were investigated.…”
Section: Introductionsupporting
confidence: 90%
“…The HPLC elution program is the same as that for HPLC analysis (see Section 2.5). The characteristic ion peaks of 5-(acetoxymethyl)-3-hydroxy-4-(hydroxymethyl)-2-methylpyridine (abbreviated as 5-monoacetyl pyridoxine) and 4,5-(diacetoxymethyl)-3-hydroxy-2-methylpyridine (abbr., 4,5-diacetyl pyridoxine) for diagnosis were observed and agreed well with previous report [14].…”
Section: Typical Reaction and Identification Of Productsmentioning
confidence: 99%
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“…Diols can also be selectively monoacylated by treatment with an acylating agent of low reactivity (vinyl, 2,2,2-trifluoroethyl, phenyl, or ethyl esters) in the presence of catalytic amounts of an esterase (Scheme 10.8) [27]. Surprisingly, these enzymatic 338 Scheme 10.7.…”
Section: Monofunctionalization Of Diolsmentioning
confidence: 99%
“…H βιοκαταλυτική σύνθεση εστέρων της βιταμίνης C αλλά και της πυριδοξίνης, χρησιμοποιώντας κορεσμένα ή ακόρεστα λιπαρά οξέα, εστέρες λιπαρών οξέων και τριγλυκερίδια έχει μελετηθεί σε οργανικούς διαλύτες ή συστήματα ελεύθερα διαλυτών [Humeau et al, 1998, Bradoo et al, 1999, Watanabe et al, 1999, Tang et al, 2000, Song & Wei, 2002, Kuwabara et al, 2003, Adamczak et al, 2005, Baldessari et al, 1998, Baldessari & Mangone, 2002, αλλά και σε ιοντικά υγρά , Bai et al, 2008, Chen et al, 2008.…”
Section: μελέτη της δυνατότητας σύνθεσης υβριδικών αντιοξειδωτικών σε ιοντικά υγράunclassified