(+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran

Base Information

• Chemical Name: (+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran
• CAS No.: 141330-22-5
• Molecular Formula: C₂₁H₂₆O₇
• Molecular Weight: 390.433

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

Chemical Property of (+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran

Chemical Property:

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Technology Process of (+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran

There total 6 articles about (+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran 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: 63.0%

3-<2,4-Bis(methoxymethoxy)phenyl>-7-(methoxymethoxy)-4H-1-benzopyran-4-on (113250-45-6) → (+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran (141330-22-5)

Guidance literature:

With hydrogen; palladium on activated charcoal; In acetone; for 1h; under 760 Torr;

DOI:10.1002/hlca.19920750205

Reference yield: 42.0%

(+/-)-trans-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran-4-ol (141330-26-9,141330-28-1) → (+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran (141330-22-5)

Guidance literature:

With ammonia; lithium; In tetrahydrofuran; at -65 - -60 ℃; for 0.25h;

DOI:10.1002/hlca.19920750205

Reference yield: 8.0%

(+/-)-cis-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran-4-ol (141330-26-9,141330-28-1) → (+/-)-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran (141330-22-5)

Guidance literature:

With ammonia; lithium; In tetrahydrofuran; at -65 - -60 ℃; for 0.25h;

DOI:10.1002/hlca.19920750205

upstream raw materials:

3-<2,4-Bis(methoxymethoxy)phenyl>-7-(methoxymethoxy)-4H-1-benzopyran-4-on

(+/-)-trans-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran-4-ol

(+/-)-cis-3-<2,4-Bis(methoxymethoxy)phenyl>-3,4-dihydro-7-(methoxymethoxy)-2H-1-benzopyran-4-ol

7-(Methoxymethoxy)-3-<4-(methoxymethoxy)phenyl>-4H-1-benzopyran-4-on

Downstream raw materials:

(+/-)-4'-O-Demethylvestitol

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