(-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone

Base Information

• Chemical Name: (-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone
• CAS No.: 140138-39-2
• Molecular Formula: C₃₂H₄₂O₈
• Molecular Weight: 554.681
• Mol file: 140138-39-2.mol

Synonyms:(-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone

Chemical Property of (-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone

There total 5 articles about (-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone 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: 100.0%

(-)-(3S,4R,5R)-3-(3',4',5'-trimethoxybenzyl)-4-<3'',4''-methylenedioxy-α,α-bis(phenylthio)benzyl>-5-(1-menthyloxy)butyrolactone (140138-37-0) → (-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone (140138-39-2)

Guidance literature:

With sodium tetrahydroborate; nickel dichloride; In tetrahydrofuran; methanol; for 1h; Ambient temperature;

Reference yield: 100.0%

(3R,4R,5R)-4-(Benzo[1,3]dioxol-5-yl-bis-phenylsulfanyl-methyl)-5-(2-isopropyl-5-methyl-cyclohexyloxy)-3-(3,4,5-trimethoxy-benzyl)-dihydro-furan-2-one (140138-37-0) → (3R,4R,5R)-4-Benzo[1,3]dioxol-5-ylmethyl-5-(2-isopropyl-5-methyl-cyclohexyloxy)-3-(3,4,5-trimethoxy-benzyl)-dihydro-furan-2-one (140138-39-2)

Guidance literature:

With sodium tetrahydroborate; nickel dichloride;

DOI:10.1016/S0957-4166(00)80200-1

Reference yield:

3,4,5-trimethoxybenzyl bromide (21852-50-6) → (-)-(3S,4R,5R)-3-(3',4'5'-trimethoxybenzyl)-4-(3'',4''-methylenedioxybenzyl)-5-(1-menthyloxy)butyrolactone (140138-39-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) BuLi, 3.) DMI / 1) THF, hexane, -78 deg C, 3 h; 2) THF, hexane, -78 deg C, 2 h; 3) THF, hexane, -78 deg C --> room temperature, overnight

2: 100 percent / NiCl₂*6H₂O, NaBH₄ / methanol; tetrahydrofuran / 1 h / Ambient temperature

With sodium tetrahydroborate; n-butyllithium; desipramine; nickel dichloride; In tetrahydrofuran; methanol;

upstream raw materials:

(3R,4R,5R)-4-(Benzo[1,3]dioxol-5-yl-bis-phenylsulfanyl-methyl)-5-(2-isopropyl-5-methyl-cyclohexyloxy)-3-(3,4,5-trimethoxy-benzyl)-dihydro-furan-2-one

(-)-(3S,4R,5R)-3-(3',4',5'-trimethoxybenzyl)-4-<3'',4''-methylenedioxy-α,α-bis(phenylthio)benzyl>-5-(1-menthyloxy)butyrolactone

3,4,5-trimethoxybenzyl bromide

5-[Bis(phenylsulfanyl)methyl]-1,3-benzodioxole

Downstream raw materials:

(-)-Dihydroclusin

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