REINVESTIGATION OF THE REACTION OF NICOTINIC ACID 1-OXIDE WITH ACETIC ANHYDRIDE

DOI: 10.3987/R-1987-05-1263

Source and publish data:

Heterocycles p. 1263 - 1270 (1987)

Update date:2022-08-29

Topics:

Authors:

Nagano, Hiroyuki

Hamana, Masatomo

Nawata, Yoshiharu

Prachayasittikul, Supaluk

Abdel-Sayed, Ashraf N.

Bauer, Ludwig

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Article abstract of DOI:10.3987/R-1987-05-1263

Reinvestigation of the reaction of nicotinic acid 1-oxide (1) with boiling acetic anhydride has revealed that the primary product is not 2-acetylnicotinic acid 1-oxide (3) but 3-acetoxy-4-aza-3-methyl-1(3H)-isobenzofuranone 4-oxide (2), the acetate of the ring tautomer of 3.Reactions of 2 and 3 with phosphorus trichloride and some related reactions are reported.

Full text of DOI:10.3987/R-1987-05-1263

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