1,3-Dithiolane

Protection :
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ReagentsTimeYield
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BF3.OEt2 (CH2SH)216 - 24 h80 - 100 %
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BF3.OEt2 (CH2SH)220 min - 2 h93 - 100 %
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BF3.OEt2 (CH2SH)290 min72 %BF3.OEt2, (CH2SH)2RT, 90 min, 72%
Deprotection :
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ReagentsTimeYield
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BF3.OEt2 HgO35 min86 %BF3.OEt2, HgOH2O, THFRT, 35 min, 86%