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• W1567870024 abstract "[89992-70] C9H18ClN2OP (MW 236.68) InChI = 1S/C9H18ClN2OP/c1-8(2)12(9(3)4)14(10)13-7-5-6-11/h8-9H,5,7H2,1-4H3 InChIKey = QWTBDIBOOIAZEF-UHFFFAOYSA-N (reagent widely used for the phosphinylation of the 3′-hydroxy function of modified and unmodified nucleosides, and of various reporter groups for incorporation into oligonucleotides) Alternate Name: 2-cyanoethyl N,N-diisopropylphosphonamidic chloride; chloro-(2-cyanoethoxy)-N,N-diisopropylaminophosphine; chloro(diisopropylamino)-β-cyanoethoxyphosphine; 2-cyanoethyl N,N-diisopropylphosphoramidochloridite. Physical Data: bp 103–104 °C (0.08 mmHg; d 1.061 g cm−3). Solubility: soluble in most organic solvents. Form Supplied in: colorless liquid. Analysis of Reagent Purity: 31P NMR, 1H NMR, EI-MS. Preparative Methods: the reagent is prepared from the reaction of N,N-diisopropylamine or its N-trimethylsilyl derivative with (2-cyanoethoxy)dichlorophosphine in anhydrous diethyl ether and isolated by vacuum distillation. Purification: vacuum distillation. Handling, Storage, and Precautions: the reagent is moisture-sensitive and corrosive. It should therefore be stored in a dry environment, in a tightly closed container at −20 °C. Caution should be exercised when vacuum-distilling the reagent as it may explode if heated at a temperature (internal) exceeding 140 °C. Distillation should be carried out only if a vacuum of less than 0.1 mmHg can be generated. Disposal: the reagent should be neutralized at a temperature below −20 °C by slowly adding an excess of ethanolic potassium hydroxide. The deactivated material can then be discarded in a chemical waste container." @default.
• W1567870024 created "2016-06-24" @default.
• W1567870024 creator A5022821865 @default.
• W1567870024 date "2002-10-15" @default.
• W1567870024 modified "2023-10-16" @default.
• W1567870024 title "2-Cyanoethyl Diisopropylchlorophosphoramidite" @default.
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• W1567870024 doi "https://doi.org/10.1002/047084289x.rn00060" @default.
• W1567870024 hasPublicationYear "2002" @default.
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