PROCESS FOR PRODUCING A BIPHENYL METALLOCENE COMPLEX

The invention relates to a process for preparing a boronic anhydride compound of formula (1), wherein, R1-R4 are substituents as defined in the disclosure and 'B' stands for the element boron. The invention also describes a process of using the boronic anhydride of formula (1), to prepare...

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Main Authors SAINANI, Jaiprakash Brijlal, CHOUGULE, Sambhaji Nanasaheb, PAGHADAR, Bharatkumar Ravjibhai, CHATTERJEE, Anamitra, GUNASEKARAN, Sivalingam
Format Patent
LanguageEnglish
Published 18.05.2023
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:The invention relates to a process for preparing a boronic anhydride compound of formula (1), wherein, R1-R4 are substituents as defined in the disclosure and 'B' stands for the element boron. The invention also describes a process of using the boronic anhydride of formula (1), to prepare a biphenyl metallocene complex of formula (4), wherein, R1 to R10, are substituents as defined in the disclosure; and wherein 'M' is a transition metal element, 'Q' is an halide anion, and 'P' is the valency of the transition metal element 'M' and indicates the number of halide anion present. In addition, the invention further describes a process of purifying the metallocene complex of formula (4) so as to render the overall metallocene complex synthesis process environmentally sustainable as well as cost effective by minimizing waste effluents.
Bibliography:Application Number: US202117916197