Rakesh posted an Question
May 10, 2021 • 13:01 pm 30 points
  • CSIR NET
  • Chemical Sciences

Why does Ti(OR)4 act as a lewis acid?

Ti(OR)4 has been used as a lewis acid in carbonyl-ene cycloaddition reaction.

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    Dinesh khalmaniya 1 best-answer

    Lewis acid since it will accept electrons to satisfy its electron deficiency. In fact, it has a +4 charge, so it significantly more electron deficient than a species with a lower positive charge. Thus, it is a very strong Lewis acid that will readily accept electrons from a Lewis base.

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    which empty orbitals are involved in the lewis acidity of Ti(OR)4. What is the LUMO of this lewis acid?

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    Here Ti+4 all 3d orbitals are vacant so can accept lp

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    I think LUMO will depend on whether Ti(OR)4 is tetrahedral or square planer.

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