4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

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Chemical Name:4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester
CAS No.:244139-97-7
Molecular Formula:C₂₂H₃₂O₅S₂
Molecular Weight:440.625
Hs Code.:

Synonyms:4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

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Chemical Property of 4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

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Technology Process of 4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

There total 6 articles about 4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester 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: 84.0%

: 3187-19-7
2,4-dimethoxysalicylic acid

: 244139-96-6
5-(2-but-3-enyl-[1,3]dithian-2-yl)-pentan-2-ol

: 244139-97-7
4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

Guidance literature:: With triphenylphosphine; diethylazodicarboxylate; In diethyl ether; for 5h;
DOI:10.1016/S0040-4020(99)00302-6

Reference yield:

: 110-87-2
3,4-dihydro-2H-pyran

: 244139-97-7
4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

Guidance literature:: Multi-step reaction with 5 steps

1.1: 87 percent / BF₃*Et₂O / methanol; CHCl₃ / 4 h / 25 °C

2.1: sec-BuLi / cyclohexane; tetrahydrofuran / 4 h / -15 °C

2.2: 85 percent / 16 h

3.1: 62 percent / PCC / CH₂Cl₂ / 5 h / 25 °C

4.1: 97 percent / diethyl ether / 14 h / -30 °C

5.1: 84 percent / EtOOC-N=N-COOEt; PPh₃ / diethyl ether / 5 h

With boron trifluoride diethyl etherate; sec.-butyllithium; triphenylphosphine; pyridinium chlorochromate; diethylazodicarboxylate; In tetrahydrofuran; methanol; diethyl ether; dichloromethane; chloroform; cyclohexane; 1.1: Cyclization / 2.1: Metallation / 2.2: Substitution / 3.1: Oxidation / 4.1: Grignard reaction / 5.1: Esterification;
DOI:10.1016/S0040-4020(99)00302-6

Reference yield:

: 500-99-2
3,5-dimethoxyphenol

: 244139-97-7
4,6-dimethoxy-2-hydroxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

Guidance literature:: Multi-step reaction with 2 steps

1: 80 percent / NaOMe / methanol / 12 h / 120 °C / 30400 Torr

2: 84 percent / EtOOC-N=N-COOEt; PPh₃ / diethyl ether / 5 h

With sodium methylate; triphenylphosphine; diethylazodicarboxylate; In methanol; diethyl ether; 1: Kolbe-Schmitt reaction / 2: Esterification;
DOI:10.1016/S0040-4020(99)00302-6