8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one

Base Information

• Chemical Name: 8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one
• CAS No.: 1021444-99-4
• Molecular Formula: C₁₆H₁₈O₄S
• Molecular Weight: 306.383
• Mol file: 1021444-99-4.mol

Synonyms:8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one

Chemical Property of 8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one

There total 1 articles about 8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one 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: 30.0%

1,1-diacetylcyclopropane (695-70-5) + 1-phenylsulfonyl-2-propanone (5000-44-2) → 8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one (1021444-99-4)

Guidance literature:

1-phenylsulfonyl-2-propanone; With lithium diisopropyl amide; In tetrahydrofuran; hexane; at -78 ℃; for 1h;

1,1-diacetylcyclopropane; In tetrahydrofuran; hexane; at -78 - 20 ℃; for 14h; Further stages.;

DOI:10.1016/j.tet.2008.01.066

Reference yield: 81.0%

8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one (1021444-99-4) → 4-(2-iodoethyl)-3,5-dimethyl-2-(phenylsulfonyl)phenol (1021445-07-7)

Guidance literature:

With boron trifluoride diethyl etherate; tetra-(n-butyl)ammonium iodide; In dichloromethane; at -78 - 20 ℃; for 12h;

DOI:10.1016/j.tet.2008.01.066

Reference yield: 80.0%

8-hydroxy-4,8-dimethyl-5-(phenylsulfonyl)spiro[2.5]oct-4-en-6-one (1021444-99-4) → 4-(2-chloroethyl)-3,5-dimethyl-2-(phenylsulfonyl)phenol (1021445-03-3)

Guidance literature:

With boron trifluoride diethyl etherate; tetrabutyl-ammonium chloride; In dichloromethane; at -78 - 20 ℃; for 12h;

DOI:10.1016/j.tet.2008.01.066

upstream raw materials:

1,1-diacetylcyclopropane

1-phenylsulfonyl-2-propanone

Downstream raw materials:

4-(2-chloroethyl)-3,5-dimethyl-2-(phenylsulfonyl)phenol

4-(2-bromoethyl)-3,5-dimethyl-2-(phenylsulfonyl)phenol

4-(2-iodoethyl)-3,5-dimethyl-2-(phenylsulfonyl)phenol