phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester

Base Information

• Chemical Name: phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester
• CAS No.: 885479-48-1
• Molecular Formula: C₂₅H₂₄O₂
• Molecular Weight: 356.464
• Mol file: 885479-48-1.mol

Synonyms:phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester

Chemical Property of phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester

There total 2 articles about phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl 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: 71.0%

4-(2-hydroxyethyl)-7-isopropyl-1-methylazulene (885478-86-4) + phenylpropyolic acid (637-44-5) → phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester (885479-48-1)

Guidance literature:

phenylpropyolic acid; With dicyclohexyl-carbodiimide; In diethyl ether; at 0 ℃; for 0.5h;

4-(2-hydroxyethyl)-7-isopropyl-1-methylazulene; With TEA; In diethyl ether; at 20 ℃;

DOI:10.1002/ejoc.200500900

Reference yield:

7-isopropyl-1,4-dimethyl-azulene (489-84-9) → phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester (885479-48-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: LDA / various solvents / 0.67 h / -35 °C

1.2: 32 percent / various solvents / -35 - 20 °C

2.1: DCC / diethyl ether / 0.5 h / 0 °C

2.2: 71 percent / TEA / diethyl ether / 20 °C

With dicyclohexyl-carbodiimide; lithium diisopropyl amide; In diethyl ether; various solvents;

DOI:10.1002/ejoc.200500900

Reference yield: 41.0%

phenyl-propynoic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester (885479-48-1) + 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl azide (6205-69-2) → 3-((2R,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yl)-5-phenyl-3H-[1,2,3]triazole-4-carboxylic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester (885479-77-6) + 1-((2R,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yl)-5-phenyl-1H-[1,2,3]triazole-4-carboxylic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester (885479-76-5)

Guidance literature:

at 70 ℃; for 240h;

DOI:10.1002/ejoc.200500900

upstream raw materials:

4-(2-hydroxyethyl)-7-isopropyl-1-methylazulene

phenylpropyolic acid

7-isopropyl-1,4-dimethyl-azulene

Downstream raw materials:

3-((2R,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yl)-5-phenyl-3H-[1,2,3]triazole-4-carboxylic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester

1-((2R,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yl)-5-phenyl-1H-[1,2,3]triazole-4-carboxylic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester

5-Phenyl-1-((2R,3S,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yl)-1H-[1,2,3]triazole-4-carboxylic acid 2-(7-isopropyl-1-methyl-azulen-4-yl)-ethyl ester