Production process of 6, 6 amp; rsque; - (3, 3 amp; rsqoe; - Di tert-butil-5, 5 amp; rsqoe; - dimetoxi-1, 1 amp; rsqoe; - bifenil-2, 2 amp; rsqoe; - diil) bis (oxi) (dibenzo D, F 1, 3, 2 dioxaphosporina) (biphenpos)

摘要

Production 6, 6 RSQE; - [(3, 3 RSQE; - Di tert-butil-5, 5 RSQE; - dimetoxi-1, 1 RSQE; - bifenil-2, 2 rsqoe; - diil) bis (oxi)] bis (dibenzo [D, F] [1, 3, 2] dioxaphosporina),Abbreviation and ldqoe; biphephos rdqoe (formula 1)Requirements for low chlorine content 1: production process of reactive diphosphate, 3,3 RSQE; tert-util-2,2 RSQE; dihydroxi-5,5 rsqoe; containing 6-chlorodiphenyl [D, F] [1, 3, 2] dioxin, characterized by reaction in acetone solvent mixture.