628718-34-3

Upstream product

• 628718-30-9 Toluene-4-sulfonic acid 6-[4-acetyl-1-benzyl-5-(2-bromo-4-methoxy-5-methoxymethoxy-3-methyl-benzyl)-3,6-dioxo-piperazin-(2Z)-ylidenemethyl]-4-methyl-benzo[1,3]dioxol-5-yl ester 
• 628718-21-8 (Z)-1-acetyl-6-(2-bromo-4-methoxy-5-methoxymethoxy-3-methylphenylmethyl)-3-[3-methyl-2-(4-methylbenzenesulfoxy)-4,5-methylenedioxyphenylidene]piperazine-2,5-dione 
• 628718-04-7 1-Acetyl-3-[1-(2-bromo-4-methoxy-5-methoxymethoxy-3-methyl-phenyl)-meth-(Z)-ylidene]-piperazine-2,5-dione 
• 628718-11-6 1-acetyl-3-(2-bromo-4-methoxy-5-methoxymethoxy-3-methyl-benzyl)-piperazine-2,5-dione 
• 628717-03-3 3-methyl-2-(4-methylbenzenesulfoxy)-4,5-methylenedioxybenzaldehyde 
• 628718-95-6 2-bromo-4-methoxy-5-methoxymethoxy-3-methylbenzaldehyde 
• 287117-31-1 2-bromo-5-hydroxy-4-methoxy-3-methylbenzaldehyde 
• 187040-04-6 3-methyl-4,5-methylenedioxy salicylaldehyde 
• 98-59-9 p-toluenesulfonyl chloride 
• 628718-17-2 1,4-diacetyl-3-(2-bromo-4-methoxy-5-methoxymethoxy-3-methylphenylmethyl)-2,5-piperazinedione 

Downstream Products

• 628718-38-7 (Z)-1-isopropyloxycarbonyl-6-(2-bromo-4-methoxy-5-methoxymethoxy-3-methylphenylmethyl)-3-[3-methyl-2-(4-methylbenzenesulfoxy)-4,5-methylenedioxyphenylidene]-4-phenylmethylpiperazine-2,5-dione 
• 628718-55-8 4-Benzyl-2-(2-bromo-5-hydroxy-4-methoxy-3-methyl-benzyl)-6-hydroxy-5-[1-[7-methyl-6-(toluene-4-sulfonyloxy)-benzo[1,3]dioxol-5-yl]-meth-(Z)-ylidene]-3-oxo-piperazine-1-carboxylic acid isopropyl ester 
• 628718-49-0 (Z)-1-isopropyloxycarbonyl-6-(2-bromo-4-methoxy-5-hydroxy-3-methylphenylmethyl)-3-[3-methyl-2-(4-methylbenzenesulfoxy)-4,5-methylenedioxyphenylidene]-4-phenylmethylpiperazine-2,5-dione 
• 628718-44-5 4-Benzyl-2-(2-bromo-4-methoxy-5-methoxymethoxy-3-methyl-benzyl)-6-hydroxy-5-[1-[7-methyl-6-(toluene-4-sulfonyloxy)-benzo[1,3]dioxol-5-yl]-meth-(Z)-ylidene]-3-oxo-piperazine-1-carboxylic acid isopropyl ester 

Relevant academic research and scientific papers

Synthetic approaches toward ecteinascidins. Part 2. Preparation of the ABCDE ring system of ecteinascidins having characteristic substituents in both benzene rings

A synthesis of an advanced ABCDE ring system (24c) having characteristic substituents in both benzene rings of ecteinascidin marine natural products is described based on our model studies.