Spiro[5.5]undecan-2-one

Base Information

• Chemical Name: Spiro[5.5]undecan-2-one
• CAS No.: 1781-81-3
• Molecular Formula: C₁₁H₁₈O
• Molecular Weight: 166.263
• Hs Code.: 2914299000
• Mol file: 1781-81-3.mol

Synonyms:3-Oxo-dicyclohexanspiran;undecan-8-one;spiro<5.5>undecan-3-one;

Chemical Property of Spiro[5.5]undecan-2-one

Chemical Property:

• PSA: 17.07000
• LogP: 3.08000

Purity/Quality:

97% ^*data from raw suppliers

Spiro[5.5]undecan-2-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Spiro[5.5]undecan-2-one is used in the preparation of commonly encountered spirocyclic systems.

Technology Process of Spiro[5.5]undecan-2-one

There total 1 articles about Spiro[5.5]undecan-2-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:

3-(5-Bromopentyl)-2-cyclohexen-1-one (74056-09-0) → spiro<5.5>undecan-3-one (1781-81-3) + 3-Pentyl-2-cyclohexen-1-one (60439-28-3)

Guidance literature:

With tetraethylammonium perchlorate; ammonium bromide; Ni(trans-<14>aneN4)(ClO4)2; In N,N-dimethyl-formamide; electroreduction (divided cell, glassy-carbon plate electrode);

DOI:10.1248/cpb.39.31

Reference yield:

spiro<5.5>undecan-3-one (1781-81-3) → 2,2-pentamethylene-1,4-butanedicarboxylic acid (20127-08-6)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium; moist diethyl ether; alcohol

2: concentrated nitric acid

With diethyl ether; ethanol; nitric acid; sodium;

upstream raw materials:

3-(5-Bromopentyl)-2-cyclohexen-1-one

Downstream raw materials:

2,2-pentamethylene-1,4-butanedicarboxylic acid