3-Butyn-2-ol, 4-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-

Base Information

• Chemical Name: 3-Butyn-2-ol, 4-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-
• CAS No.: 79925-81-8
• Molecular Formula: C13H18O
• Molecular Weight: 190.285
• DSSTox Substance ID: DTXSID70465046
• Nikkaji Number: J2.651.099F
• Mol file: 79925-81-8.mol

Synonyms:79925-81-8;3-Butyn-2-ol, 4-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-;DTXSID70465046

Chemical Property of 3-Butyn-2-ol, 4-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-

Chemical Property:

• XLogP3: 2.4
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 190.135765193
• Heavy Atom Count: 14
• Complexity: 344

Purity/Quality:

85.0-99.8% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: CC1=C(C(CC=C1)(C)C)C#CC(C)O

Technology Process of 3-Butyn-2-ol, 4-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-

There total 6 articles about 3-Butyn-2-ol, 4-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)- 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: 78.0%

2,6,6-trimethyl-1-(3-acetoxy-but-1-ynyl)cyclohexa-1,3-diene (82760-69-8) → 9-hydroxymegastigma-3,5-dien-7-yne (79925-81-8)

Guidance literature:

With potassium hydroxide;

DOI:10.1016/S0040-4039(01)01411-3

Reference yield:

6,7-Megastigmadiene-3,5,9-triol (33801-99-9,809281-50-3) → Damascenon (23726-93-4) + (+/-)-3-hydroxy-7,8-dehydro-β-ionol (31162-45-5,58023-72-6) + 3-hydroxymegastigma-5,8-dien-7-one (35734-61-3,56915-02-7) + 9-hydroxymegastigma-3,5-dien-7-yne (79925-81-8) + Megastigma-4,6,7-triene-3,9-diol (142893-64-9)

Guidance literature:

In ethanol; water; at 24 ℃; for 4h; Product distribution; Mechanism; pH 3; other times and temperatures, other damascenone precursors (β-D-glucosides);

DOI:10.1016/S0040-4039(00)92682-0

Reference yield:

2,2,6-trimethylcyclohexan-1-one (2408-37-9) → 9-hydroxymegastigma-3,5-dien-7-yne (79925-81-8)

Guidance literature:

Multi-step reaction with 5 steps

1.1: Br₂

1.2: pyridine / Heating

2.1: 88 percent / tetrahydrofuran / Heating

3.1: 54 percent / P₂O₅; Celite / toluene / Heating

4.1: 78 percent / KOH

With potassium hydroxide; Celite; bromine; phosphorus pentoxide; In tetrahydrofuran; toluene;

DOI:10.1016/S0040-4039(01)01411-3

upstream raw materials:

6,7-Megastigmadiene-3,5,9-triol

2,6,6-trimethyl-1-(3-acetoxy-but-1-ynyl)cyclohexa-1,3-diene

2,2,6-trimethylcyclohexan-1-one

2,6,6-trimethyl-1-hydroxy-1-[3-hydroxy-but-1-ynyl]-cyclohex-2-ene

Downstream raw materials:

Damascenon

9-hydroxymegastigma-3,5-dien-7-one