641627-82-9

Upstream product

• 19676-67-6 2,4-dimethoxy-3-methylphenol 
• 98-59-9 p-toluenesulfonyl chloride 

Downstream Products

• 641628-00-4 (2R,3R,5S)-2-[(S)-1-tert-Butoxycarbonylamino-2-(5-tert-butoxycarbonyloxy-2,4-dimethoxy-3-methyl-phenyl)-ethyl]-5-hydroxymethyl-3-triisopropylsilanyloxymethyl-pyrrolidine-1-carboxylic acid benzyl ester 
• 641627-94-3 4-(5-tert-butoxycarbonyloxy-2,4-dimethoxy-3-methyl-benzyl)-2-oxo-6-triisopropylsilanyloxymethyl-3,8-diaza-bicyclo[3.2.1]octane-3,8-dicarboxylic acid 8-benzyl ester 3-tert-butyl ester 
• 641628-05-9 Toluene-4-sulfonic acid 2,4-dimethoxy-3-methyl-5-[(1R,2S,5S,7R)-4-oxo-8-(toluene-4-sulfonyl)-7-triisopropylsilanyloxymethyl-3,8-diaza-bicyclo[3.2.1]oct-2-ylmethyl]-phenyl ester 
• 641627-92-1 (1S,4S,5R,6R)-4-[2,4-Dimethoxy-3-methyl-5-(toluene-4-sulfonyloxy)-benzyl]-2-oxo-6-triisopropylsilanyloxymethyl-3,8-diaza-bicyclo[3.2.1]octane-8-carboxylic acid benzyl ester 
• 641627-90-9 Toluene-4-sulfonic acid 5-[(1R,5S,7R)-8-benzyl-4-oxo-7-triisopropylsilanyloxymethyl-3,8-diaza-bicyclo[3.2.1]oct-(2Z)-ylidenemethyl]-2,4-dimethoxy-3-methyl-phenyl ester 
• 641628-06-0 Toluene-4-sulfonic acid 5-[(1R,2S,5S,7R)-7-hydroxymethyl-4-oxo-8-(toluene-4-sulfonyl)-3,8-diaza-bicyclo[3.2.1]oct-2-ylmethyl]-2,4-dimethoxy-3-methyl-phenyl ester 
• 641627-91-0 Toluene-4-sulfonic acid 2,4-dimethoxy-3-methyl-5-((1R,2S,5S,7R)-4-oxo-7-triisopropylsilanyloxymethyl-3,8-diaza-bicyclo[3.2.1]oct-2-ylmethyl)-phenyl ester 
• 641627-93-2 (1S,4S,5R,6R)-4-(5-Hydroxy-2,4-dimethoxy-3-methyl-benzyl)-2-oxo-6-triisopropylsilanyloxymethyl-3,8-diaza-bicyclo[3.2.1]octane-8-carboxylic acid benzyl ester 
• 641627-84-1 toluene-4-sulfonic acid 2,4-dimethoxy-3-methyl-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl ester 
• 641627-83-0 toluene-4-sulfonic acid 5-bromo-2,4-dimethoxy-3-methyl-phenyl ester 

Relevant academic research and scientific papers

The Total Synthesis of (-)-Lemonomycin

The first total synthesis of the novel glycosylated tetrahydroisoquinoline antitumor antibiotic (?)-lemonomycin has been accomplished (15 steps from 9). The highly convergent synthesis relies on a key asymmetric dipolar cycloaddition to set the stereochem