(+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone

Base Information

• Chemical Name: (+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone
• CAS No.: 331258-73-2
• Molecular Formula: C₁₈H₂₁NO₄
• Molecular Weight: 315.369
• Mol file: 331258-73-2.mol

Synonyms:(+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone

Chemical Property of (+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone

There total 1 articles about (+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone 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: 85.0%

Phenoxyacetyl chloride (701-99-5) + But-3-ynyl-[1-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-meth-(Z)-ylidene]-amine → (+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone (331258-73-2)

Guidance literature:

With triethylamine; In dichloromethane; at 20 ℃; for 16h;

DOI:10.1021/jo005715z

Reference yield:

(+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone (331258-73-2) → (3R,4S)-1-But-3-ynyl-4-((S)-1,2-dihydroxy-ethyl)-3-phenoxy-azetidin-2-one

Guidance literature:

With toluene-4-sulfonic acid; In tetrahydrofuran; water; Heating;

DOI:10.1016/S0040-4039(00)00006-X

Reference yield:

(+)-(3R,4S)-1-(3-butynyl)-4-[(S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-phenoxy-2-azetidinone (331258-73-2) → (+)-(2R,3R)-1-(3-butynyl)-3-phenoxy-4-oxoazetidine-2-carbaldehyde (251480-03-2)

Guidance literature:

Multi-step reaction with 2 steps

1: p-TsOH*H₂O / tetrahydrofuran / 2 h / Heating

2: 0.70 g / sodium periodate; sodium hydrogen carbonate / CH₂Cl₂ / 2 h / 20 °C

With sodium periodate; sodium hydrogencarbonate; toluene-4-sulfonic acid; In tetrahydrofuran; dichloromethane;

DOI:10.1021/jo005715z

upstream raw materials:

Phenoxyacetyl chloride

Downstream raw materials:

(+)-(2R,3R)-1-(3-butynyl)-3-phenoxy-4-oxoazetidine-2-carbaldehyde

(3R,4S)-1-(3-butynyl)-4-[(R)-1-hydroxy-2-methylidene-3-oxo-butyl]-3-phenoxy-2-azetidinone

C₁₅H₁₆N₂O₃