87143-53-1

Upstream product

• 1120-80-5 cyclopent-1-ene-1-methanol 
• 87143-44-0 1-cyclopentenylmethyl N,N-diisopropylcarbamate 
• 87143-50-8 Diisopropyl-carbamic acid (R)-2-((R)-hydroxy-phenyl-methyl)-cyclopent-(Z)-ylidenemethyl ester 
• 87143-57-5 (3S,3aS,6aR)-1-Methoxy-3-phenyl-hexahydro-cyclopenta[c]furan 

Relevant academic research and scientific papers

Stereoselective synthesis of highly substituted bicyclic γ-lactones using homoaldol addition of 1-(1-cycloalkenyl)methyl carbamates

Stereoselective addition of aldehydes 4 to metallated 1-(1-cycloalkenyl) methyl N,N-diisopropylcarbamates 1 gave cyclic homoaldol adducts 6. By applying the (-)-sparteine method, enantiomerically enriched products were obtained. These were oxidatively cyc

Oxidative cyclization of unsaturated ketene dithioacetals with ceric ammonium nitrate to form bicyclic lactones

Ceric ammonium nitrate oxidizes unsaturated ketene dithioacetals in wet MeCN to give cation radicals that cyclize to tri-substituted double bonds and styrenes by cation-like cyclizations leading to cyclic cation radicals that are transformed by further ox

HIGHLY DIASTEREOSELECTIVE SYNTHESIS OF DI-AND TRISUBSTITUTED 4-BUTANOLIDES FROM ALDEHYDES AND KETONES VIA THREE-CARBON-EXTENSION BY ALLYLIC HOMOENOLATE REAGENTS

Lithiated or titanated O-allyl carbamates 7 or 8 add to aldehydes and ketones regio- and diastereoselectively to yield-O-(4-hydroxy-1-alkenyl)carbamates 9, which are converted to γ-lactones 12 with an one-pot procedure.