2014
DOI: 10.1134/s2079978014020034
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Propylphosphonic anhydride (T3P®): An expedient reagent for organic synthesis

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Cited by 50 publications
(39 citation statements)
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“…We therefore took steps to improve this by eliminating the use of the toxic acryloyl and methacryloyl chloride and substituting with acrylic and methacrylic acid; both of which will become commercially available from renewable sources. To effect this strategy we introduced propyl phosphonic anhydride (T3P®) 24 to promote ester coupling between terpene alcohols and acrylic acid. This reagent gives an environmentally benign Yields shown are overall yields in two steps (either hydroboration/oxidation or carbonyl reduction), followed by esterification of the resulting alcohol with (meth)acryloyl chloride.…”
Section: Resultsmentioning
confidence: 99%
“…We therefore took steps to improve this by eliminating the use of the toxic acryloyl and methacryloyl chloride and substituting with acrylic and methacrylic acid; both of which will become commercially available from renewable sources. To effect this strategy we introduced propyl phosphonic anhydride (T3P®) 24 to promote ester coupling between terpene alcohols and acrylic acid. This reagent gives an environmentally benign Yields shown are overall yields in two steps (either hydroboration/oxidation or carbonyl reduction), followed by esterification of the resulting alcohol with (meth)acryloyl chloride.…”
Section: Resultsmentioning
confidence: 99%
“…These kind of coupling agents are readily available from peptide chemistry, but have to be evaluated for their toxicity. Another commercially available coupling agent for esterification is n-propylphosphonic anhydride (T3P ® ), which is highly versatile, possesses comparably less toxicity and offers mild reaction conditions and workup (Waghmare et al, 2014). While ATRP grafting approaches seem more reasonable for large scale modification of RC membranes the direct esterification approach utilising benign esterification agents appears to offer an easy, least-toxic and reproducible route to small scale and prototyping reactions.…”
Section: Conclusion and Further Propositionsmentioning
confidence: 99%
“…T3P® is a phosphorous‐containing cyclic anhydride that was introduced by Wissmann and Kleiner as a condensation reagent for peptide synthesis [30] (Figure 2). Unlike other common coupling reagents, T3P® has a low toxicity and allergy profile, as demonstrated by taxicological studies [31,32] . A significant advantage in the use of T3P®, is that the by‐products of the reaction are highly water soluble and can readily be washed away from products with less good water solubility.…”
Section: Introductionmentioning
confidence: 99%