188824-86-4 Usage
General Description
2H,6H-Oxazolo[5,4,3-ij]quinolin-2-one, 7-hydroxy-8,9-bis(1-methylethoxy)-6-phenyl- is a chemical compound with a complex structure. It is a derivative of oxazoloquinolinone, which has a bicyclic structure containing both a quinolinone and an oxazole ring. The compound also contains a hydroxyl group at position 7, as well as two ethoxy groups and a phenyl group attached to the 6-position. 2H,6H-Oxazolo[5,4,3-ij]quinolin-2-one, 7-hydroxy-8,9-bis(1-methylethoxy)-6-phenyl- may have potential pharmacological or biological activities, and further research is likely needed to fully understand its properties and potential applications.
Check Digit Verification of cas no
The CAS Registry Mumber 188824-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,8,2 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 188824-86:
(8*1)+(7*8)+(6*8)+(5*8)+(4*2)+(3*4)+(2*8)+(1*6)=194
194 % 10 = 4
So 188824-86-4 is a valid CAS Registry Number.
188824-86-4Relevant articles and documents
Versatile Synthesis of Dihydroquinolines and Quinoline Quinones Using Cyclobutenediones. Construction of the Pyridoacridine Ring System
Zhang, Dawei,Llorente, Isidro,Liebeskind, Lanny S.
, p. 4330 - 4338 (2007/10/03)
1-BOC-2-lithio-1, 4-dihydropyridines were condensed with 3,4-disubstituted cyclobutenediones to produce 1,2-adducts. Neat thermolysis under oxygen-free conditions produced substituted 1,4-dihydroquinoline hydroquinones in which the tert-butoxy residue of the BOC group was displaced by a phenolic residue, generating an oxazolone ring that functioned to protect both rings of the dihydroquinoline hydroquinone from untimely oxidation. Oxidative aromatization with concomitant loss of the oxazolone ring was achieved using 2 equiv of o-chloranil in acetic acid and provided substituted quinoline quinones in good yields. By use of this strategy, a concise synthesis of the pyridoacridine ring system was achieved.
