Does DIBAL-H reduce alcohol?

Does DIBAL-H reduce alcohol? I was reading an article by Rentsch and Kalesse [[1](https://doi.org/10.1002/anie.201206560)] and I came across this reaction, but could not figure out how the final compound is formed:



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> [![Synthesis of 4](https://i.stack.imgur.com/LmriX.png)](https://i.stack.imgur.com/LmriX.png)
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### Reference


1. Rentsch, A.; Kalesse, M. The Total Synthesis of Corallopyronin A and Myxopyronin B. *Angew. Chem. Int. Ed.* **2012**, 51 (45), 11381–11384. DOI: [10.1002/anie.201206560](https://doi.org/10.1002/anie.201206560).


