Table 2.

Fragmentation of hydroperoxyacetals with t-BuOCl

Entry	Substrate	t-BuOCl (eq)	t(min)	Product	Yielda
1	1a	1.2	10	2a	77%
2b	1a	1.2	10	2a	77%
3c	1a	1.2	10	2a	79%
4d	1a	1.2	10	2a	84%
5	1a	0.25	15	2a	78%
6	1b	1.2	10	2b	85%
7	1d	1.2	10	2d	84%
8	1e	0.25	15	2e	85%
9	1h	1.2	10	2h	84%

^aIsolated yields on 0.5 mmol scale.

^bProtected from light (Al foil over flask).

^cCH₂Cl₂ as solvent.

^dAdded HOAc (≥ 2 eq)