Dolores Lo´pezEmilio Quin˜ oaRicardo Riguera2012-11-202025-02-172012-11-202012-11-20https://dl.ftveti.edu.et/handle/123456789/4202The [4 + 2] Addition of Singlet Oxygen to Thebaine: New Access to Highly Functionalized Morphine Derivatives via Opioid EndoperoxidesThe [4 + 2] Addition of Singlet Oxygen to Thebaine: New Access to Highly Functionalized Morphine Derivatives via Opioid EndoperoxidesenThe [4 + 2] Addition of Singlet Oxygen to Thebaine: New Access to Highly Functionalized Morphine Derivatives via Opioid EndoperoxidesArticle