1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one

Base Information

• Chemical Name: 1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one
• CAS No.: 82925-39-1
• Molecular Formula: C₂₁H₃₂O₃
• Molecular Weight: 332.483

Synonyms:1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one

Chemical Property of 1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one

Chemical Property:

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Technology Process of 1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one

There total 2 articles about 1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-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:

acetylacetaldehyde dimethyl acetal (5436-21-5) + (2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal (3917-41-7) → 1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one (82925-39-1)

Guidance literature:

With sodium hydride; In tetrahydrofuran; at -78 - 0 ℃;

DOI:10.1021/ja00099a087

Reference yield:

methanol (67-56-1) + (4E,6E,8E)-7-Methyl-3-oxo-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-4,6,8-trienal → 1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one (82925-39-1) + (4Z,6E,8E)-1,1-Dimethoxy-7-methyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-4,6,8-trien-3-one

Guidance literature:

With sulfuric acid; at 20 ℃; for 12h; Title compound not separated from byproducts;

DOI:10.1016/S0040-4039(00)01240-5

Reference yield:

1,1-Dimethyloxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one (82925-39-1) → cis-1-Hydroxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-1,4E,6E,8E-nonatetraen-3-one (162599-82-8)

Guidance literature:

With water; Bio-Rad AG 50W-X₁; In acetone; at 35 ℃; for 24h; Yield given;

DOI:10.1021/jo00110a022

upstream raw materials:

acetylacetaldehyde dimethyl acetal

(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal

methanol

Downstream raw materials:

13-acetoxy-13-desmethylretinal 15,15-dimethyl acetal

cis-1-Hydroxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-1,4E,6E,8E-nonatetraen-3-one

1,1-dimethoxy-7-methyl-9-(2',6',6'-trimethyl-1-cyclohexen-1-yl)-4E,6E,8E-nonatrien-3-one-2-3H

13-acetoxy-13-desmethylretional dimethylacetal-14-3H

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