Lactic anhydride

Base Information

• Chemical Name: Lactic anhydride
• CAS No.: 97-73-4
• Molecular Formula: C6H10 O5
• Molecular Weight: 162.1406
• European Community (EC) Number: 202-604-1
• UNII: 5GV491FN51
• DSSTox Substance ID: DTXSID30914227
• Nikkaji Number: J278.889F
• Wikidata: Q27262143
• Mol file: 97-73-4.mol

Synonyms:Lactic anhydride;97-73-4;Propanoic acid, 2-hydroxy-, anhydride;2-hydroxypropanoyl 2-hydroxypropanoate;2-hydroxypropanoic anhydride;5GV491FN51;Propanoic acid, 2-hydroxy-, 1,1'-anhydride;3-benzyldodecahydro-1h-pyrrolo[1,2-a][1,4,7]triazacyclotridecine-1,4,11-trione;Milchsaureanhydrid;LACTIC ACID ANHYDRIDE;SCHEMBL447234;UNII-5GV491FN51;Bis(2-hydroxypropionic)anhydride;DTXSID30914227;EINECS 202-604-1;AKOS028108470;Q27262143

Chemical Property of Lactic anhydride

Chemical Property:

• Melting Point: 116-119 °C
• Boiling Point: 251.1 °C at 760 mmHg
• Flash Point: 100.8 °C
• PSA: 52.60000
• Density: 1.308 g/cm³
• LogP: -0.13660
• XLogP3: -0.6
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 4
• Exact Mass: 162.05282342
• Heavy Atom Count: 11
• Complexity: 146

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: CC(C(=O)OC(=O)C(C)O)O

Refernces

Cross-coupling reactions of aromatic and heteroaromatic silanolates with aromatic and heteroaromatic halides

10.1021/ja8091449

The research focuses on the development of a broad and efficient protocol for the cross-coupling reactions of alkali-metal arylsilanolate salts with aromatic and heteroaromatic bromides and chlorides, leading to the formation of polysubstituted biaryls. The purpose of this study was to expand the substrate scope and improve the efficiency of cross-coupling reactions beyond the limitations of traditional boron- or tin-based reagents, which can be problematic in certain cases. The researchers successfully demonstrated that a wide range of electron-rich, electron-poor, and sterically hindered aryldimethylsilanolates could undergo smooth coupling with a variety of aryl halides under catalysis by (t-Bu3P)2Pd. The use of preformed silanolate salts offered several advantages, including ease of synthesis, stability, resistance to disiloxane formation, and self-activating properties. The study concluded that this method is particularly advantageous for cases where traditional reagents are not suitable and has broad potential for adoption in the synthesis of complex molecules. Key chemicals used in the process include arylsilanols, arylsilanolates, aromatic and heteroaromatic halides, and the palladium catalyst (t-Bu3P)2Pd.

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