4,6-dimethoxy-2-(propen-1-yl)-benzoic 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-(propen-1-yl)-benzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester
CAS No.:204846-43-5
Molecular Formula:C₂₅H₃₆O₄S₂
Molecular Weight:464.69
Hs Code.:

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

There total 8 articles about 4,6-dimethoxy-2-(propen-1-yl)-benzoic 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: 60.0%

: 24850-33-7
allyltributylstanane

: 204846-42-4
2,4-dimethoxy-6-trifluoromethylsulfonyloxybenzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl] ester

: 204846-43-5
4,6-dimethoxy-2-(propen-1-yl)-benzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

Guidance literature:: With lithium chloride; tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; trifuran-2-yl-phosphane; In 1-methyl-pyrrolidin-2-one; at 60 ℃; for 24h;
DOI:10.1016/S0040-4020(99)00302-6

Reference yield:

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

: 204846-43-5
4,6-dimethoxy-2-(propen-1-yl)-benzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

Guidance literature:: Multi-step reaction with 7 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

6.1: 91 percent / pyridine / CH₂Cl₂ / 0 - 25 °C

7.1: 60 percent / LiCl / Pd₂(dba)3/tris(2-furyl)phosphine / 1-methyl-pyrrolidin-2-one / 24 h / 60 °C

With pyridine; boron trifluoride diethyl etherate; sec.-butyllithium; triphenylphosphine; pyridinium chlorochromate; lithium chloride; diethylazodicarboxylate; tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; trifuran-2-yl-phosphane; In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; 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 / 6.1: Esterification / 7.1: Stille coupling reaction;
DOI:10.1016/S0040-4020(99)00302-6

Reference yield:

: 500-99-2
3,5-dimethoxyphenol

: 204846-43-5
4,6-dimethoxy-2-(propen-1-yl)-benzoic acid [4-(2-but-3-enyl-[1,3]dithian-2-yl)-1-methyl-butyl]ester

Guidance literature:: Multi-step reaction with 4 steps

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

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

3: 91 percent / pyridine / CH₂Cl₂ / 0 - 25 °C

4: 60 percent / LiCl / Pd₂(dba)3/tris(2-furyl)phosphine / 1-methyl-pyrrolidin-2-one / 24 h / 60 °C

With pyridine; sodium methylate; triphenylphosphine; lithium chloride; diethylazodicarboxylate; tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; trifuran-2-yl-phosphane; In 1-methyl-pyrrolidin-2-one; methanol; diethyl ether; dichloromethane; 1: Kolbe-Schmitt reaction / 2: Esterification / 3: Esterification / 4: Stille coupling reaction;
DOI:10.1016/S0040-4020(99)00302-6