(E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on

Base Information

• Chemical Name: (E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on
• CAS No.: 118356-63-1
• Molecular Formula: C₁₆H₂₀O₃
• Molecular Weight: 260.333
• Mol file: 118356-63-1.mol

Synonyms:(E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on

Chemical Property of (E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on

There total 3 articles about (E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on 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: 50.0%

(2R,6R)-2-tert-butyl-6-methyl-1,3-dioxan-4-one (100017-18-3) + benzaldehyde (100-52-7) → (E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on (118356-63-1)

Guidance literature:

Reference yield:

(1'RS,2R,5R,6R)-2-(tert-butyl)-5-(α-hydroxybenzyl)-6-methyl-1,3-dioxan-4-one (107289-12-3,107289-13-4) → (E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on (118356-63-1)

Guidance literature:

Multi-step reaction with 2 steps

1: pyridine, 4-(dimethylamino)pyridine (DMPA) / 12 h / Ambient temperature

2: triethylamine / CHCl₃ / 36 h

With pyridine; dmap; triethylamine; In chloroform;

Reference yield:

Methanesulfonic acid ((2R,4R,5S)-2-tert-butyl-4-methyl-6-oxo-[1,3]dioxan-5-yl)-phenyl-methyl ester → (Z,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on (129287-49-6) + (E,2R,6R)-5-Benzyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-on (118356-63-1)

Guidance literature:

With triethylamine; In chloroform; for 36h; Yield given. Yields of byproduct given;

upstream raw materials:

(2R,6R)-2-tert-butyl-6-methyl-1,3-dioxan-4-one

benzaldehyde

(1'RS,2R,5R,6R)-2-(tert-butyl)-5-(α-hydroxybenzyl)-6-methyl-1,3-dioxan-4-one

Downstream raw materials:

(1'S,2S,3R)-2-(1'-Dimethylphenylsilylbenzyl)-3-hydroxybutansaeure

(1'R,2R,3S)-2-(1'-Hydroxyethyl)-3-phenylheptansaeure

(2R,3R)-2-Diphenylmethyl-3-hydroxybutansaeure

(S)-3-Phenyl-heptanoic acid methyl ester