Carbonic acid 2,3-butanediyl

Base Information

• Chemical Name: Carbonic acid 2,3-butanediyl
• CAS No.: 4437-70-1
• Molecular Formula: C5H8O3
• Molecular Weight: 116.117
• Hs Code.: 2920901090
• Mol file: 4437-70-1.mol

Synonyms:Carbonic acid, cyclic 1,2-dimethylethylene ester;

Chemical Property of Carbonic acid 2,3-butanediyl

Chemical Property:

• Boiling Point: 224 °C at 760 mmHg
• Flash Point: 119.8 °C
• PSA: 35.53000
• Density: 1.082 g/cm³
• LogP: 0.93020

Purity/Quality:

99%, ^*data from raw suppliers

4,5-Dimethyl-1,3-dioxol-2-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Carbonic acid 2,3-butanediyl

There total 9 articles about Carbonic acid 2,3-butanediyl 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: 79.0%

phosgene (75-44-5) + d,l-2,3-butanediol (6982-25-8) → (+/-)-trans-4,5-dimethyl-1,3-dioxolan-2-one (4437-70-1,36368-39-5,36368-40-8,51260-48-1,51261-82-6,65941-76-6)

Guidance literature:

With pyridine; In toluene; at 0 ℃; for 0.25h;

DOI:10.1016/S0040-4020(01)81546-5

Reference yield:

1-bromo-butane (109-65-9) + carbon dioxide (124-38-9,18923-20-1) + 2.3-butanediol (513-85-9) → 4,5-dimethyl-1,3-dioxolan-2-one (4437-70-1) + Dibutyl carbonate (542-52-9)

Guidance literature:

carbon dioxide; 2.3-butanediol; With 1,8-diazabicyclo[5.4.0]undec-7-ene; In 1,2-dichloro-ethane; at 25 ℃;

1-bromo-butane; In 1,2-dichloro-ethane; at 25 ℃; for 24h;

DOI:10.1080/00397911.2015.1116583

Reference yield:

carbon dioxide (124-38-9,18923-20-1) + 2,3-trans-epoxybutane (21490-63-1) → (+/-)-trans-4,5-dimethyl-1,3-dioxolan-2-one (4437-70-1,36368-39-5,36368-40-8,51260-48-1,51261-82-6,65941-76-6) + 2.3-butanediol (513-85-9)

Guidance literature:

With C₂₅H₂₀AlCl₆NO₄; tetrabutylammomium bromide; In neat (no solvent); at 90 ℃; for 2h; under 11251.1 Torr; Reagent/catalyst; stereoselective reaction; Catalytic behavior;

DOI:10.1002/cssc.201601712

upstream raw materials:

carbon dioxide

2,3-cis-epoxybutane

2,3-trans-epoxybutane

d,l-2,3-butanediol

Downstream raw materials:

cis-1,2-cyclohexane

(1S,2S)-trans-1,2-Cyclohexanediol

methanol

(2R,3S)-2,3-butanediol

Refernces

• 1、 Rintjema, Jeroen,Kleij, Arjan W.. "Aluminum-Mediated Formation of Cyclic Carbonates: Benchmarking Catalytic Performance Metrics". . p. 1274 - 1282. Retrieved 2017/03/29.
• 2、 Büttner, Hendrik,Steinbauer, Johannes,Werner, Thomas. "Synthesis of Cyclic Carbonates from Epoxides and Carbon Dioxide by Using Bifunctional One-Component Phosphorus-Based Organocatalysts". . p. 2655 - 2669. Retrieved 2015/09/02.