8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene

Base Information

• Chemical Name: 8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene
• CAS No.: 85835-91-2
• Molecular Formula: C₂₀H₁₈BNO₂
• Molecular Weight: 315.179
• Mol file: 85835-91-2.mol

Synonyms:

Chemical Property of 8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene

There total 2 articles about 8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene 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: 94.0%

oxybis(diphenylborane) (4426-21-5) + α-(2-hydroxy-1-phenyl)-N-methylnitrone (41105-99-1,203731-15-1) → 8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene (85835-91-2)

Guidance literature:

In ethanol; soln. of nitrone of salicyl aldehyde in EtOH mixed with ethanol soln. of oxybis(diphenylborane) (molar ratio 2:1), warmed to boiling for short time; cooled or concd., recrystd. from ethanol, elem. anal.;

DOI:10.1016/S0022-328X(00)98570-X

Reference yield: 84.0%

triphenylborane (960-71-4) + α-(2-hydroxy-1-phenyl)-N-methylnitrone (41105-99-1,203731-15-1) → 8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene (85835-91-2)

Guidance literature:

In ethanol; to soln. of nitrone of salicyl aldehyde in ethanol added BPh3 (molar ratio 1:1), warmed to boiling for some min; concd., recrystd. from ethanol, elem. anal.;

DOI:10.1016/S0022-328X(00)98570-X

Reference yield: 92.0%

8-methyl-6,6-diphenyl-5,7-dioxa-8-azonia-6-borata-6,7-dihydro-5H-benzocycloheptene (85835-91-2) + phenylboronic acid (98-80-6) → 3a-methyl-2,4,9a-triphenyl-1,2,3a,4,9,9a-hexahydro-1,3,9-trioxa-3a-azonia-2-bora-9a-boratacyclopenta{b}naphthalene

Guidance literature:

In benzene; byproducts: H2O; mixt. of reagents was heated in refluxing benzene for 14 h, then cooled;; petroleum ether was added, crystd. from dioxane/hexane or from cyclohexane; elem. anal.;

upstream raw materials:

oxybis(diphenylborane)

α-(2-hydroxy-1-phenyl)-N-methylnitrone

triphenylborane