(2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide

Base Information

• Chemical Name: (2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide
• CAS No.: 389123-50-6
• Molecular Formula: C₄₃H₆₁NO₇Si
• Molecular Weight: 732.045
• Mol file: 389123-50-6.mol

Synonyms:(2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide

Chemical Property of (2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide

There total 34 articles about (2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide 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: 93.0%

[[13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]heneicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-hexa-2,4-dienoyl-carbamic acid 2-trimethylsilanyl-ethyl ester (389123-28-8) → (2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide (389123-50-6)

Guidance literature:

With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 0 ℃; for 0.283333h;

DOI:10.1021/ja020635t

Reference yield:

(2Z,4E)-hexa-2,4-dienoic acid (110-44-1,5309-56-8,5309-57-9,22500-92-1,30361-30-9,91751-55-2) → (2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide (389123-50-6)

Guidance literature:

Multi-step reaction with 3 steps

1.1: n-BuLi / tetrahydrofuran; hexane / -78 - 0 °C

1.2: (COCl)2 / tetrahydrofuran; hexane / 0 - 20 °C

2.1: NaHMDS / tetrahydrofuran / 0.22 h / -78 °C

2.2: 58 percent / tetrahydrofuran; hexane / -78 - 0 °C

3.1: 93 percent / TBAF / tetrahydrofuran / 0.28 h / 0 °C

With n-butyllithium; tetrabutyl ammonium fluoride; sodium hexamethyldisilazane; In tetrahydrofuran; hexane;

DOI:10.1021/ja020635t

Reference yield:

2(Z),4(E)-hexadienoic acid chloride (471924-12-6) → (2Z,4E)-Hexa-2,4-dienoic acid [(S)-[(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-amide (389123-50-6)

Guidance literature:

Multi-step reaction with 2 steps

1.1: NaHMDS / tetrahydrofuran / 0.22 h / -78 °C

1.2: 58 percent / tetrahydrofuran; hexane / -78 - 0 °C

2.1: 93 percent / TBAF / tetrahydrofuran / 0.28 h / 0 °C

With tetrabutyl ammonium fluoride; sodium hexamethyldisilazane; In tetrahydrofuran;

DOI:10.1021/ja020635t

upstream raw materials:

[[13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]heneicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-hexa-2,4-dienoyl-carbamic acid 2-trimethylsilanyl-ethyl ester

(2Z,4E)-hexa-2,4-dienoic acid

(but-2-enylidene)malonic acid

2(Z),4(E)-hexadienoic acid chloride

Downstream raw materials:

(2Z,4E)-Hexa-2,4-dienoic acid [(S)-((2E,8E,10Z,14E)-(1R,5R,17R)-3,11-dimethyl-19-methylene-7,13-dioxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl)-(4-methoxy-benzyloxy)-methyl]-amide

(2Z,4E)-Hexa-2,4-dienoic acid [(S)-((2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-hydroxy-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-5-yl)-(4-methoxy-benzyloxy)-methyl]-amide