Structure of an 11-Membered Cyclic Silyl Enol Ether from Condensation of Methacrolein and a Pseudoephedrine-Derived O-Silyl Ketene N,O -Acetal
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CitationSchaefer, William P., Vijaya Subramanian, and Andrew G. Myers. 1992. Structure of an 11-membered cyclic silyl enol ether from condensation of methacrolein and a pseudoephedrine-derived O-silyl ketene N,O -acetal. Acta Crystallographica Section C: Crystal Structure Communications C48: 2090-2092.
AbstractThe title compound, (4S,5S,8R, IOZ)-2,2,5,6,8,10-hexamethyl-4-phenyl- 1,3-dioxa-6-aza-2-silacycloun-dec-10-en-7-one, crystallizes with two virtually identical molecules in the asymmetric unit, each with the same absolute configuration. Bond distances and angles are normal; the closest approaches across the ring between non-bonded atoms are all greater than 3.35 .A,. The amide and enol ether groups are planar
to within +- 0.06 A.
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