5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(trimethylstannyl)-spiro(chromane-4,2'-[1,3]dioxolane)

Base Information

Chemical Name:5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(trimethylstannyl)-spiro(chromane-4,2'-[1,3]dioxolane)
CAS No.:157495-50-6
Molecular Formula:C₂₃H₃₀O₆Sn
Molecular Weight:521.198
Hs Code.:

Synonyms:

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Chemical Property of 5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(trimethylstannyl)-spiro(chromane-4,2'-[1,3]dioxolane)

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Technology Process of 5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(trimethylstannyl)-spiro(chromane-4,2'-[1,3]dioxolane)

There total 1 articles about 5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(trimethylstannyl)-spiro(chromane-4,2'-[1,3]dioxolane) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 60.0%

: 1066-45-1
trimethyltin(IV)chloride

: 119529-69-0
8-bromo-4',5,7-trimethoxy-flavanone ethylene ketal

: 157495-50-6
5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(trimethylstannyl)-spiro(chromane-4,2'-[1,3]dioxolane)

Guidance literature:: With n-butyllithium; In tetrahydrofuran; hexane; under N2; BuLi in hexane is added to a stirred soln. of the flavanone ketal in THF at -78°C, stirred for 1 h, SnMe3Cl in THF is added dropwise, stirred at -78°C for 2 h; warmed to room temp., NH4Cl soln. is added, extd., removalof the solvent under reduced pressure, the residue is recrystd., elem. anal.;
DOI:10.1039/P19940001791

Reference yield: 77.0%

: 157495-50-6
5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(trimethylstannyl)-spiro(chromane-4,2'-[1,3]dioxolane)

: 546-67-8
lead(IV) tetraacetate

: 157495-51-7
5,7-dimethoxy-2-(4''-methoxyphenyl)-8-(triacetoxyplumbyl)-spiro(chromane-4,2'-[1,3]dioxolane)

Guidance literature:: With Hg(CH₃COO)2; In chloroform; heated at 40°C; filtd., the filtrate is concd., this is added dropwise to light petroleum, the ppt. is filtd., dried;
DOI:10.1039/P19940001791