86213-67-4

Upstream product

• 86213-56-1 2',4'-Dihydro-2,2'-dimethyl-5,5'-diphenyl-2H-3,3'-spirobi<1,2,4,3λ⁵-triazaphosphol>iumchlorid 
• 86213-76-5 1,6,6,6-Tetrachloro-2,10-dimethyl-4,8-diphenyl-2,3,5,7,9,10-hexaaza-1λ⁵,6λ⁵-diphospha-tricyclo[5.3.0.0^1,5]deca-3,8-diene 
• 28705-52-4 N¹-methylbenzamidrazone hydrochloride 
• 63148-50-5 5,5,10,10-tetrachloro-1,6-dimethyl-3,8-diphenyl-1,5,6,10-tetrahydro-5λ⁵,10λ⁵-[1,3,2,4]diazadiphospheto[2,1-c;4,3-c']bis[1,2,4,3]triazaphosphole 
• 86213-57-2 2',4'-Dihydro-2,2'-dimethyl-5,5'-diphenyl-2H-3,3'-spirobi<1,2,4,3λ⁵-triazaphosphol> 
• 1499-21-4 Diphenylphosphinic chloride 

Relevant academic research and scientific papers

Four- and Five-membered Phosphorus Heterocycles, 57. Phosphazene / Azaphosphetidine Tautomerism of 3,3'-Spirobi5-triazaphosphole> Derivatives

Different routes lead from N1-methylbenzamidrazone (1) and PCl5 to the spirobi 5.Its halogeno-phosphino, -phosphoryl, and -phosphonio derivatives 7 and 9 are prepared by substitution.By an intramolecular addition to the phospha