109984-83-0

Basic information

• Product Name: Silane, [[3-methoxy-6-[2-(3,4,5-trimethoxyphenyl)ethenyl]-1,2-phenylene]bis(oxy )]bis[(1,1-dimethylethyl)dimethyl-, (E)-
• CAS NO: 109984-83-0
• Molecular Formula: C30H48O6Si2
• Molecular Weight: 560.879
• Mol File: 109984-83-0.mol

Chemical Properties

• CAS DataBase Reference: Silane, [[3-methoxy-6-[2-(3,4,5-trimethoxyphenyl)ethenyl]-1,2-phenylene]bis(oxy )]bis[(1,1-dimethylethyl)dimethyl-, (E)-(CAS DataBase Reference)
• NIST Chemistry Reference: Silane, [[3-methoxy-6-[2-(3,4,5-trimethoxyphenyl)ethenyl]-1,2-phenylene]bis(oxy )]bis[(1,1-dimethylethyl)dimethyl-, (E)-(109984-83-0)
• EPA Substance Registry System: Silane, [[3-methoxy-6-[2-(3,4,5-trimethoxyphenyl)ethenyl]-1,2-phenylene]bis(oxy )]bis[(1,1-dimethylethyl)dimethyl-, (E)-(109984-83-0)

Safety Data

• Hazardous Substances Data: 109984-83-0(Hazardous Substances Data)

Upstream product

• 109971-66-6 2,3-bis<(tert-butyldimethylsilyl)oxy>-4-methoxybenzaldehyde 
• 108683-61-0 triphenyl(3,4,5-trimethoxybenzyl)phosphonium chloride 
• 1116460-26-4 {2,3-di[(tert-butyldimethylsilyl)oxy]-4-methoxybenzyl}triphenylphosphonium bromide 
• 86-81-7 3,4,5-trimethoxy-benzaldehyde 
• 3840-30-0 5-(chloromethyl)-1,2,3-trimethoxybenzene 

Downstream Products

• 290295-01-1 (1S,2S)-1,2-dihydroxy-1-[2',3'-di(tert-butyldimethylsilyloxy)-4'-methoxyphenyl]-2-(3'',4'',5''-trimethoxyphenyl)ethane 
• 309947-17-9 (+/-)-2-(2',3'-di[(tert-butyldimethylsilyl)oxy]-4'-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)acetaldehyde 

Relevant articles and documents

Development of synthetic methodology suitable for the radiosynthesis of combretastatin A-1 (CA1) and its corresponding prodrug CA1P

Synthetic methodology has been established suitable for the preparation of combretastatin A-1 (CA1) and its corresponding phosphate prodrug salt (CA1P) in high specific activity radiolabeled form. Judicious selection of appropriate phenolic protecting groups to distinguish positions on the A-ring from the B-ring of the stilbenoid was paramount for the success of this project. Methylation of the C-4' phenolic moiety by removal of the tert- butyldimethylsilyl protecting group in the presence of methyl iodide was accomplished in excellent yield without significant Z to E isomerization. This step (carried out with 12C-methyl iodide as proof of concept in this study) represents the process in which a 14C radioisotope could be incorporated in an actual radiosynthesis. CA1 is a natural product isolated from the African bush willow tree (Combretum caffrum) that has important medicinal value due, in part, to its ability to inhibit tubulin assembly. As a prodrug, CA1P (OXi4503) is in human clinical trials as a vascular disrupting agent.

Antitubulin assembly and cell growth inhibitor denominated "dioxostatin"

A new inhibitor of microtubule assembly (IC50 0.59 μM); with antineoplastic properties, denominated “dioxostatin”, has been synthesized and its effectiveness against human cancer and murine P388 lymphocytic leukemia cell lines demonstrated. Dio

Synthesis of biologically active polyphenolic glycosides (combretastatin and resveratrol series)

(E)-3-(β-D-Glucopyranosyloxy)-4',5-dihydroxystilbene (resveratrol 3-β-D-glucoside, piceid), (Z)-2',3'-dihydroxy-3,4,4',5-tetramethoxystilbene (combretastatin A-1), (Z)-3'-hydroxy-3,4,4', 5-tetramethoxystilbene (combretastatin A-4), (Z)-2'-hydroxy-3,4,4',5-tetramethoxystilbene (combretastatin iso-A-4), α,β-dihydro-2',3'-dihydroxy-3,4,4',5-tetramethoxystilbene (combretastatin B-1), the corresponding glucosides, and related compounds have been synthesized via Wittig reactions followed by,glucosylation under phase-transfer catalysis. Most of the compounds synthesized have been tested with respect to biological activity (cytostatic, cytotoxic, antimitotic, neurotoxic, antiplatelet aggregation activity).