4H-1-Benzopyran-4-one, 3-[2,4-bis[(2-methoxyethoxy)methoxy]phenyl]-7-[(2-methoxyethoxy)meth oxy]-

Base Information

Chemical Name:4H-1-Benzopyran-4-one, 3-[2,4-bis[(2-methoxyethoxy)methoxy]phenyl]-7-[(2-methoxyethoxy)meth oxy]-
CAS No.:141330-21-4
Molecular Formula:C27H34O11
Molecular Weight:534.56
Hs Code.:
Mol file:141330-21-4.mol

Synonyms:

Suppliers and Price of 4H-1-Benzopyran-4-one, 3-[2,4-bis[(2-methoxyethoxy)methoxy]phenyl]-7-[(2-methoxyethoxy)meth oxy]-

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 4H-1-Benzopyran-4-one, 3-[2,4-bis[(2-methoxyethoxy)methoxy]phenyl]-7-[(2-methoxyethoxy)meth oxy]-

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of 4H-1-Benzopyran-4-one, 3-[2,4-bis[(2-methoxyethoxy)methoxy]phenyl]-7-[(2-methoxyethoxy)meth oxy]-

There total 1 articles about 4H-1-Benzopyran-4-one, 3-[2,4-bis[(2-methoxyethoxy)methoxy]phenyl]-7-[(2-methoxyethoxy)meth oxy]- 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:

: 141330-18-9
3-<2,4-Bis<(2-methoxyethoxy)methoxy>phenyl>-1-<2-hydroxy-4-<(2-methoxyethoxy)methoxy>phenyl>prop-2-en-1-on

: 149-73-5
trimethyl orthoformate

: 141330-21-4
3-<2,4-Bis<(2-methoxyethoxy)methoxy>phenyl>-7-<(2-methoxyethoxy)methoxy>-4H-1-benzopyran-4-on

Guidance literature:: With sodium methylate; thallium(III) nitrate; Yield given. Multistep reaction; 1.) CH₃OH, 20 deg C, 2 h, 2a.) CH₃OH, 15-20 deg C, 20-30 min, 2b.) 5 min, reflux;
DOI:10.1002/hlca.19920750205

Reference yield: 93.0%

: 141330-21-4
3-<2,4-Bis<(2-methoxyethoxy)methoxy>phenyl>-7-<(2-methoxyethoxy)methoxy>-4H-1-benzopyran-4-on

: 141330-30-5
(+/-)-2,3-Dihydro-7-(methoxymethoxy)-3-<4-(methoxymethoxy)phenyl>-4H-1-benzopyran-4-on

: 141330-31-6
(+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-2,3-dihydro-7-(methoxymethoxy)-4H-1-benzopyran-4-on

: 141330-32-7
(+/-)-3-<2,4-Bis<(2-methoxyethoxy)methoxy>phenyl>-2,3-dihydro-7-<(2-methoxyethoxy)methoxy>-4H-1-benzopyran-4-on

Guidance literature:: With diisobutylaluminium hydride; In tetrahydrofuran; toluene; at -60 - -55 ℃; for 2.5h;
DOI:10.1002/hlca.19920750205

Reference yield:

: 141330-21-4
3-<2,4-Bis<(2-methoxyethoxy)methoxy>phenyl>-7-<(2-methoxyethoxy)methoxy>-4H-1-benzopyran-4-on

: 65332-45-8
(+/-)-4'-O-Demethylvestitol

Guidance literature:: Multi-step reaction with 4 steps

1: 87 percent / 20 percent DIBAH / tetrahydrofuran; toluene / 2.5 h / -60 - -55 °C

2: 27 percent / NaBH₄ / tetrahydrofuran; ethanol

3: 42 percent / liq. NH₃, Li / tetrahydrofuran / 0.25 h / -65 - -60 °C

4: 83 percent / conc. HCl / methanol; H₂O / 0.17 h / Heating

With hydrogenchloride; sodium tetrahydroborate; ammonia; lithium; diisobutylaluminium hydride; In tetrahydrofuran; methanol; ethanol; water; toluene;
DOI:10.1002/hlca.19920750205