| 21. | The thick contaminant forms when the ethyl diamine reacts with copper and brass engine components, Mobil said.
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| 22. | Cyclic aminals are well known, being typical derived by the condensation of a diamine and an aldehyde.
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| 23. | The RuCl 2 ( diphosphane ) 2 ( diamine ) 2 catalyst can hydrogenate simple cyclic ketones diastereoselectively.
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| 24. | A decade later, Elias James Corey introduced an effective aluminum-diamine controller for Diels-Alder reaction.
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| 25. | Given by intravenous drip, chelation delivers ethylene diamine tetra-acetic acid, or EDTA, to the bloodstream.
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| 26. | Related bidentate phosphine-containing ligands derived from other chiral diamines have also been developed for applications in asymmetric synthesis.
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| 27. | The systematic name of this enzyme class is "'diamine : 2-oxoglutarate aminotransferase " '.
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| 28. | Chirality may be introduced into the ligand either via the diamine backbone, via the phenyl ring, or both.
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| 29. | After purification of the diastereomer, the diamine can be regenerated by treatment of the ammonium salt with sodium hydroxide.
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| 30. | This particular example is useful as a model for the mechanism of interfacial polymerisation of a diamine with a diacid chloride.
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