5872-08-2, Name is (7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid, molecular formula is C10H16O4S, belongs to thiazines compound, is a common compound. In a patnet, author is Reddy, B. V. Subba, once mentioned the new application about 5872-08-2, Recommanded Product: (7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid.
Intramolecular C-O/C-S bond insertion of alpha-diazoesters for the synthesis of 2-aryl-4H-benzo[d][1,3]oxazine and 2-aryl-4H-benzo[d][1,3]thiazine derivatives
An intramolecular C-O insertion of 2-(2-arylamidophenyl)-2-diazoacetate has been achieved using a catalytic amount of copper triflate under mild conditions to produce 2-aryl-4H-benzo[d][1,3]oxazine-4-carboxylate in good yields. In addition, 2-diazo-2-(2-arylthioamidophenyl)acetate affords the corresponding 2-aryl-4H-benzo[d][1,3]thiazine derivatives under similar conditions. This is the first example of the synthesis of benzoxazines and benzothiazines from ortho-amidophenyl diazoacetate and ortho-thioamidophenyl diazoacetate, respectively.
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Reference:
Thiazine – an overview | ScienceDirect Topics,
,Thiazine | C4H5NS – PubChem