COMPLETELY STEREOSELECTIVE SYNTHESIS OF ALL FOUR STEREOISOMERIC 1-CARBAMOYLOXY-1,3-ALKADIENES VIA ANTI-DIASTEREOSELECTIVE HOMOALDOL REACTION FROM ALDEHYDES AND A SINGLE CARBON-THREE-UNIT
Lithiation of both (Z)- and (E)-3-trimethylsilyl-2-propenyl N,N-diisopropyl carbamate 2 affords the (2E)-lithium compound 3.Aluminium- or titanium-mediated addition to aldehydes 4 gives (1E)-(3R*4S*)-enol carbamates 7.A stereospecifi
Huelsen, Ede van,Hoppe, Dieter
p. 411 - 414
(2007/10/02)
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