880349-13-3

Upstream product

• 120342-04-3 (S)-1-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-methylbut-3-yn-2-ol 
• 880349-12-2 (S)-1-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-methylbut-3-yn-2-ol 
• 64761-29-1 mesitaldehyde dimethylacetal 

Downstream Products

• 883715-12-6 tert-Butyl-[(2R,4S,6S)-6-ethynyl-6-methyl-2-(2,4,6-trimethyl-phenyl)-[1,3]dioxan-4-ylmethoxy]-dimethyl-silane 
• 880349-15-5 (Z)-5-[(2R,4S,6S)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-4-methyl-2-(2,4,6-trimethyl-phenyl)-[1,3]dioxan-4-yl]-2-methyl-pent-2-en-4-ynoic acid 
• 880349-14-4 (Z)-5-[(2R,4S,6S)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-4-methyl-2-(2,4,6-trimethyl-phenyl)-[1,3]dioxan-4-yl]-2-methyl-pent-2-en-4-yn-1-ol 
• 880349-20-2 (Z)-5-((4S,6S)-2-mesityl-6-((Z)-3-methoxy-3-oxoprop-1-enyl)-4-methyl-1,3-dioxan-4-yl)-2-methylpent-2-en-4-ynoic acid 
• 880349-19-9 (Z)-methyl 3-((4S,6S)-6-((Z)-5-hydroxy-4-methylpent-3-en-1-ynyl)-2-mesityl-6-methyl-1,3-dioxan-4-yl)acrylate 
• 880349-21-3 (Z)-methyl 3-((4S,6S)-2-mesityl-6-methyl-6-((Z)-(4-methyl-5-oxofuran-2(5H)-ylidene)methyl)-1,3-dioxan-4-yl)acrylate 
• 880349-22-4 (Z)-3-[(2R,4S,6S)-6-Methyl-6-((Z)-4-methyl-5-oxo-pent-3-en-1-ynyl)-2-(2,4,6-trimethyl-phenyl)-[1,3]dioxan-4-yl]-acrylic acid methyl ester 
• 880349-18-8 (Z)-methyl 4-((4S,6S)-6-ethynyl-2-mesityl-6-methyl-1,3-dioxan-4-yl)-2-oxobut-3-enoate 
• 880349-17-7 (4S,6S)-6-ethynyl-2-mesityl-6-methyl-1,3-dioxane-4-carbaldehyde 

Relevant academic research and scientific papers

Progress toward the total synthesis of bielschowskysin: A stereoselective [2 + 2] photocycloaddition

The tetracyclic core of the diterpene bielschowskysin has been prepared as a single enantiomer via a stereoselective intramolecular [2 + 2] photocycloaddition of 5-alkylidene-2(5H)-furanone 3.