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Bis(tri-n-butyltin) oxide is employed in the synthesis of α,β-unsaturated methyl ketones, isoxazoles.
E.I. Krajnc.; P.W. Wester.;J.G. Loeber.; F.X.R. van Leeuwen.; J.G. Vos.; H.A.M.G. Vaessen.; C.A. van der Heijden. Toxicity of bis(tri-n-butyltin)oxide in the rat: I. Short-term effects on general parameters and on the endocrine and lymphoid systems. Toxicol. Appl. Pharmacol. 1984, 75 (3),363-386 .
J.G. Vos.; A.De Klerk.; E.I. Krajnc.; H.Van Loveren.; J. Rozing. Immunotoxicity of Bis(tri-n-butyltin)oxide in the rat: Effects on thymus-dependent immunity and on nonspecific resistance following long-term exposure in young versus aged rats. Toxicol. Appl. Pharmacol. 1990, 105 (1),144-155 .
Reacts with alcohols to give tri-n-butylstannyl ethers which, for simple alcohols, are very susceptible to hydrolysis: Synthesis, 56 (1969); J. Organomet. Chem., 110, C57 (1976). In combination with bromine or NBS, allylic, benzylic and secondary alcohols are oxidized to carbonyl compounds, enabling the selective oxidation of secondary, in the presence of primary, alcohols: Bull. Chem. Soc. Jpn., 49, 1656 (1976); Tetrahedron Lett., 4597 (1976); J. Am. Chem. Soc., 98, 1629 (1976). Similarly, sulfides give sulfoxides with no over-oxidation to sulfones: Tetrahedron Lett., 2413 (1977).
Reacts with terminal alkynes to give alkynyl tin reagents. Where these reagents have electron-withdrawing substituents, they undergo regioselective cycloaddition with 1,3-dienes: Tetrahedron, 45, 1145 (1989):
Converts thioamides to nitriles, as does Di-n-butyltin oxide, L14491: J .Org. Chem., 47, 4594 (1982).
Reagent for mild, selective non-hydrolytic deprotection of esters: Tetrahedron Lett., 32, 4239 (1991); J. Org. Chem., 59, 7259 (1994); Tetrahedron Lett., 36, 3311 (1995).
Hazard Statements: H301-H312-H315-H319-H335-H360FD-H372
Toxic if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May damage fertility. Suspected of damaging the unborn child. May damage fertility. May damage the unborn child. Causes damage to organs through prolonged or repeated exposure.
Precautionary Statements: P201-P202-P260-P264b-P270-P271-P280i-P281-P301+P310-P302+P352-P304+P340-P305+P351+P338-P308+P313-P312-P330-P332+P313-P337+P313-P362-P501c
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear eye/face protection. Use personal protective equipment as required. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. If skin irritation occurs: If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant