Abstract
The formerly unknown Si-dodecamethyl-cyclo-hexasila-3,6,9-triazane (-Sime 2Sime 2NH-)3 (4) was detected in low yield (3–5%) among the reaction products of dichlorotetramethyldisilane and ammonia. The already known main product (50%) Si-octamethyl-cyclo-tetrasila-3,6-diazane (-Sime 2Sime 2NH-)2 (3) reacted after metallation with chloromethylsilanesme n SiCl4−n (n=0−3) to give theN,N′-disubstituted cyclotetrasiladiazanes11–14, from which12 was transformed with ammonia to the correspondingN,N′-bis(aminodimethylsilyl) derivative15, and13 with metallated methylamine to the correspondingN,N′-bis[bis(dimethylamino)methylsily]derivative16. Attempts to construct novel SiN frameworks (g) or (k)-(m) failed.
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Wannagat, U., Blumenthal, T. Neue anorganische Ringsysteme. Monatsh Chem 116, 557–568 (1985). https://doi.org/10.1007/BF00798780
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DOI: https://doi.org/10.1007/BF00798780