138517-89-2

Basic information

• Product Name: potassium 2,2,4,5-tetraethyl-2,5-dihydro-3-methyl-1,2,5-oxadiboratolate
• Synonyms: potassium 2,2,4,5-tetraethyl-2,5-dihydro-3-methyl-1,2,5-oxadiboratolate
• CAS NO: 138517-89-2
• Molecular Weight: 232.023
• Mol File: 138517-89-2.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: potassium 2,2,4,5-tetraethyl-2,5-dihydro-3-methyl-1,2,5-oxadiboratolate(CAS DataBase Reference)
• NIST Chemistry Reference: potassium 2,2,4,5-tetraethyl-2,5-dihydro-3-methyl-1,2,5-oxadiboratolate(138517-89-2)
• EPA Substance Registry System: potassium 2,2,4,5-tetraethyl-2,5-dihydro-3-methyl-1,2,5-oxadiboratolate(138517-89-2)

Safety Data

• Hazardous Substances Data: 138517-89-2(Hazardous Substances Data)

Upstream product

• 138517-76-7 potassium 2,2,3,5,5-pentaethyl-2,5-dihydro-4-methyl-1,2,5-oxoniadiboratolate 

Relevant articles and documents

Ring Formation to Organo-Substituted Alkalimetal 2,5-Dihydro-1,2,5-oxadiboratolates

The organo-substituted cis-1,2-diborylalkenes cis-Et2BC(Et)=C(R')BF2 (1: R = Et, R'= Me; 2: R2 = C8H14, R') Me; 3: R,R'= Et; 4: R2 = C8H14, R'= Et; 5: R = Ph, R'= Et; 6: R = Et, R'= Ph), prepared from Na and R2BCl, react with alkali metal hydoxides MOH (M = Na, K) in toluene to form the corresponding 1:1 addition compounds M (M-7 to M-12) quantitatively.On heating to >/= 100 deg C of M-7, M-9, and M-12 1mol of ethane is split off to yield the salts M and M with regioisomeric anions (M-13/M-iso13: R = Et, R'= Me; M-15: R,R'= Et; M-19/M-iso19: R = Et, R'= Ph) of not yet identified structures.Heating of M-8 and M-10 yields the salts M (M-14: R = Me, M-16: R = Et), whereas M-11 gives the two salts M (M-17) and M (M-18).Key Words: Borylalkenes, cis-1,2-di-, organosubstituted / 1,2,5-Oxoniadiboratolates, hexaorgano-, sodium, potassium salts / Cyclization, thermal / 1,2,5-Oxadiboratolates, 2,5-dihydro-, organosubstituted, alkalimethal salts