199801-72-4

Upstream product

• 349487-57-6 Acetic acid (1S,8aS)-3-hydroxy-7-methyl-3,5,8,8a-tetrahydro-1H-isochromen-1-ylmethyl ester 
• 545-06-2 trichloroacetonitrile 
• 162089-63-6 2-[(S)-6-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-4-methyl-cyclohex-3-en-(Z)-ylidene]-ethanol 

Downstream Products

• 162089-64-7 (1S,6S,1'S)-trichloro-N-[1-vinyl-4-methyl-6-(3',3'-dimethyl-2',4'-dioxolanyl)-cyclohex-3-enyl]acetamide 
• 162089-67-0 N,N'-Dibenzyl-N''-[(1R,6S)-6-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-4-methyl-1-vinyl-cyclohex-3-enyl]-guanidine 
• 162089-65-8 1-Benzyl-3-[(1R,6S)-6-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-4-methyl-1-vinyl-cyclohex-3-enyl]-urea 

Relevant academic research and scientific papers

Synthesis of a common key intermediate for (-)-tetrodotoxin and its analogs

A key intermediate for tetrodotoxin and its analogs such as (-)-5,11-dideoxytetrodotoxin was stereoselectively synthesized from a chiral starting material, levoglucosenone, via Diels-Alder reaction and the Overman rearrangement as key steps. The Overman r

Direct Preparation of Guanidine from Trichloroacetamide. A Potentially Important Method to (-)-Tetrodotoxin

Trichloroacetamides obtained via Overman sigmatropic rearrangement were converted into dibenzyl guanidines.The key step was conversion of carbodiimide intermediate into guanidine by scandium or ytterbium trifluoromethane-sulfonates.This method was a