COA of Formula: C13H10O. I found the field of Chemistry very interesting. Saw the article From BN-Naphthalenes to Benzoborole Dianions published in 2021.0, Reprint Addresses Cui, CM (corresponding author), Nankai Univ, State Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China.; Cui, CM (corresponding author), Nankai Univ, Coll Chem, Tianjin 300071, Peoples R China.. The CAS is 119-61-9. Through research, I have a further understanding and discovery of Benzophenone.
The synthesis of benzoborole dianions by alkali metal reduction of BN-naphthalene derivatives via a ring-contraction strategy has been developed. Reduction of 1-alkynyl 2,1-benzazaborine 1 a in Et2O led to the elimination of alkynyllithium with the formation of 1-amino-1-benzoborole trilithium salt 2 a, whereas reduction of 1-phenyl 2,1-benzazaborine 1 c in THF yielded 1-phenyl-1-benzoborole dilithium salt 2 c with the elimination of ArNHLi. The trilithium and dilithium salts 2 a and 2 c have been fully characterized. Treatment of trilithium salt 2 a with Et3NHCl led to the selective protonation of the amino lithium to afford the dilithium salt 2 aH, which could be cleanly oxidized to 1-amino-1-benzoborole 3 in an excellent yield. Reaction of 1-phenyl-1-benzoborole dilithium salt 2 c with MeI yielded the lithium borate 4 c, which is luminescent both in solution and in the solid state.
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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem