861902-88-7

Upstream product

• 861903-05-1 (E)-(4R,5S)-5-(4-Methoxy-benzyloxy)-4-(2-methoxy-ethoxymethoxy)-hex-2-enoic acid (E)-(1S,2R)-4-allyloxycarbonyl-2-(2-methoxy-ethoxymethoxy)-1-methyl-but-3-enyl ester 
• 861903-04-0 (E)-(4R,5S)-5-(4-Methoxy-benzyloxy)-4-(2-methoxy-ethoxymethoxy)-hex-2-enoic acid allyl ester 
• 861902-95-6 (E,4R,5S)-4-((2-methoxyethoxy)methoxy)-5-(4-methoxybenzyloxy)hex-2-enoic acid 
• 861902-94-5 (S,E)-4-(4-methoxybenzyloxy)-1-(4-methyl-2,6,7-trioxabicyclo[2.2.2]octan-1-yl)pent-1-en-3-one 
• 861902-90-1 (E,3R,4S)-4-(4-methoxybenzyloxy)-1-(4-methyl-2,6,7-trioxabicyclo[2.2.2]octan-1-yl)pent-1-en-3-ol 
• 861902-96-7 (E,4R,5S)-allyl 4-((2-methoxyethoxy)methoxy)-5-hydroxyhex-2-enoate 

Relevant academic research and scientific papers

Concise syntheses of (+)-macrosphelides A and B

(Chemical Equation Presented) Unified and highly convergent total syntheses of (+)-macrosphelides A and B are described. Key features of the syntheses include (1) concise synthesis of the optically active δ-hydroxy-γ- keto α,β-unsaturated acid fragment vi