(4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester

Base Information

Chemical Name:(4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester
CAS No.:503546-23-4
Molecular Formula:C₃₅H₅₀O₅
Molecular Weight:550.779
Hs Code.:

Synonyms:(4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester

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Chemical Property of (4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester

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Technology Process of (4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester

There total 7 articles about (4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl 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: 70.0%

: 503446-44-4
(Z)-(5R,9S,10S,12R,13R)-10,13-Bis-benzyloxy-12-isopropyl-5,9-dimethyl-cyclotetradec-2-enecarboxylic acid methyl ester

: 503546-23-4
(4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester

Guidance literature:: With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 20 ℃;
DOI:10.1016/S0040-4039(02)02603-5

Reference yield:

: 503446-41-1
(4R,5R,8S,12R)-4,7-Bis-benzyloxy-2-bromo-5-isopropyl-8,12-dimethyl-15-oxo-pentadecanoic acid methyl ester

: 503546-23-4
(4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: SmI₂ / tetrahydrofuran / 0 °C

2: Et₃N / CH₂Cl₂ / 20 °C

3: DBU / toluene / 10 h / Heating

4: 70 percent / mCPBA / CH₂Cl₂ / 20 °C

With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; 3-chloro-benzenecarboperoxoic acid; samarium diiodide; In tetrahydrofuran; dichloromethane; toluene; 1: intramolecular Reformatsky reaction;
DOI:10.1016/S0040-4039(02)02603-5

Reference yield:

: (4R,5R,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-15,15-dimethoxy-8,12-dimethyl-pentadecanoic acid methyl ester

: 503546-23-4
(4R,5R,7S,8S,12R)-4,7-Bis-benzyloxy-5-isopropyl-8,12-dimethyl-15-oxa-bicyclo[12.1.0]pentadecane-2-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1.1: LDA; TMSCl; Et₃N / tetrahydrofuran / -78 °C

1.2: 90 percent / NBS / 20 °C

2.1: 90 percent / Amberlyst 15 / acetone; H₂O

3.1: SmI₂ / tetrahydrofuran / 0 °C

4.1: Et₃N / CH₂Cl₂ / 20 °C

5.1: DBU / toluene / 10 h / Heating

6.1: 70 percent / mCPBA / CH₂Cl₂ / 20 °C

With chloro-trimethyl-silane; Amberlyst 15; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; 3-chloro-benzenecarboperoxoic acid; lithium diisopropyl amide; samarium diiodide; In tetrahydrofuran; dichloromethane; water; acetone; toluene; 3.1: intramolecular Reformatsky reaction;
DOI:10.1016/S0040-4039(02)02603-5