PHOTOOXYGENATION OF PYRAZIN-2(1H)-ONES

DOI: 10.1016/0040-4039(81)80142-6

Source and publish data:

Tetrahedron Letters p. 753 - 756 (1981)

Update date:2022-09-26

Topics:

Authors:

Nishio, Takehiko

Nakajima, Naoko

Omote, Yoshimori

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Article abstract of DOI:10.1016/0040-4039(81)80142-6

1-Alkyl-5,6-diphenylpyrazin-2(1H)-ones (1a-b) reacted with singlet oxygen in dichloromethane to afford the stable endoperoxide (1a-b), while in methanol to afford the 1:1-adduct (3a-b) of the endoperoxide (2a-b) and methanol.

Full text of DOI:10.1016/0040-4039(81)80142-6

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