Choosing proper Lewis acid

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PyroMaster
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Choosing proper Lewis acid

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So,which lewis acid to chose in adition of hydrogen sulfide to ketones
Eg. H2S+C3H6O=[(CH3)2CS]3+H2O
I have readen about TiCl4 but don't know if it's geometrical structure corresponds to this reaction.
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ChenBeier
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PyroMaster
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Post by PyroMaster »

Never thought about thionating agent,i will try with phosphorous pentasulfide as I can't acces lawessons reagent.It should work but with longer preparation time and lower yield.Thanks.
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