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- W4211077454 abstract "The quinolizones and compounds of similar structure are discussed in this chapter. A number of trivial and unsystematic names have been used and numbering has also varied. In this chapter syntheses producing the ring systems of bicyclic and tricyclic compounds are described along with the physical properties and theoretical chemistry of the aromatic quinolizines. . The chemical properties of the aromatic quinolizines reflect the stability of the ring systems. The bicyclic quinolizinium salts are stable to many oxidizing agents. Polarographic or electrochemical reductions have been reported for quinolizinium salts and for benzoquinolizinium salts. Catalytic reduction of quinolizones was mentioned briefly in the earlier review. An aromatic system carrying a positive charge is unlikely to undergo attack by electrophiles unless some degree of activation by the substituents exists. The bicyclic quinolizinium salts require electron-donating substituents as powerful as the hydroxyl or the amino group before the electrophilic substitution occurs. For positively charged aromatic systems, a high degree of reactivity toward nucleophiles is expected at the positions α or γ to the positively charged nitrogen atom. There are no reported cycloadditions to bicyclic quinolizinium salts. In the case of the bicyclic quinolizinium salts most such nucleophilic additions are followed, not by loss of hydride ion but by opening of the ring, giving a derivative of 2-pyridylbutadiene." @default.
- W4211077454 created "2022-02-13" @default.
- W4211077454 creator A5030540227 @default.
- W4211077454 date "1982-01-01" @default.
- W4211077454 modified "2023-09-25" @default.
- W4211077454 title "Aromatic Quinolizines" @default.
- W4211077454 cites W1448014630 @default.
- W4211077454 cites W1532237082 @default.
- W4211077454 cites W1534238647 @default.
- W4211077454 cites W1547854307 @default.
- W4211077454 cites W1574640494 @default.
- W4211077454 cites W1575591806 @default.
- W4211077454 cites W1580387238 @default.
- W4211077454 cites W1591979998 @default.
- W4211077454 cites W1600361813 @default.
- W4211077454 cites W1963701923 @default.
- W4211077454 cites W1964057547 @default.
- W4211077454 cites W1964698666 @default.
- W4211077454 cites W1965735722 @default.
- W4211077454 cites W1966758288 @default.
- W4211077454 cites W1967659395 @default.
- W4211077454 cites W1968014390 @default.
- W4211077454 cites W1969357668 @default.
- W4211077454 cites W1970244897 @default.
- W4211077454 cites W1970286897 @default.
- W4211077454 cites W1972220259 @default.
- W4211077454 cites W1973171422 @default.
- W4211077454 cites W1975267199 @default.
- W4211077454 cites W1977321494 @default.
- W4211077454 cites W1977930843 @default.
- W4211077454 cites W1980610409 @default.
- W4211077454 cites W1982597641 @default.
- W4211077454 cites W1983432694 @default.
- W4211077454 cites W1989230382 @default.
- W4211077454 cites W1991893296 @default.
- W4211077454 cites W1993917714 @default.
- W4211077454 cites W1994734564 @default.
- W4211077454 cites W1995759249 @default.
- W4211077454 cites W1995821035 @default.
- W4211077454 cites W1997420141 @default.
- W4211077454 cites W1999983100 @default.
- W4211077454 cites W2000135738 @default.
- W4211077454 cites W2000471765 @default.
- W4211077454 cites W2000995439 @default.
- W4211077454 cites W2002406559 @default.
- W4211077454 cites W2002425572 @default.
- W4211077454 cites W2004046963 @default.
- W4211077454 cites W2004580556 @default.
- W4211077454 cites W2005544231 @default.
- W4211077454 cites W2005839598 @default.
- W4211077454 cites W2006248322 @default.
- W4211077454 cites W2009426480 @default.
- W4211077454 cites W2015286597 @default.
- W4211077454 cites W2015668871 @default.
- W4211077454 cites W2020749982 @default.
- W4211077454 cites W2021197418 @default.
- W4211077454 cites W2021425512 @default.
- W4211077454 cites W2022945192 @default.
- W4211077454 cites W2027245216 @default.
- W4211077454 cites W2028098189 @default.
- W4211077454 cites W2030606465 @default.
- W4211077454 cites W2032266665 @default.
- W4211077454 cites W2032426028 @default.
- W4211077454 cites W2038535483 @default.
- W4211077454 cites W2039255692 @default.
- W4211077454 cites W2041001734 @default.
- W4211077454 cites W2042964146 @default.
- W4211077454 cites W2043935559 @default.
- W4211077454 cites W2048379463 @default.
- W4211077454 cites W2051426883 @default.
- W4211077454 cites W2051467088 @default.
- W4211077454 cites W2053287499 @default.
- W4211077454 cites W2056890493 @default.
- W4211077454 cites W2058330741 @default.
- W4211077454 cites W2065842753 @default.
- W4211077454 cites W2066614034 @default.
- W4211077454 cites W2067695735 @default.
- W4211077454 cites W2071605865 @default.
- W4211077454 cites W2072499881 @default.
- W4211077454 cites W2073528965 @default.
- W4211077454 cites W2075976990 @default.
- W4211077454 cites W2076597027 @default.
- W4211077454 cites W2078250990 @default.
- W4211077454 cites W2079028415 @default.
- W4211077454 cites W2081961558 @default.
- W4211077454 cites W2082773178 @default.
- W4211077454 cites W2090898838 @default.
- W4211077454 cites W2090969375 @default.
- W4211077454 cites W2094630273 @default.
- W4211077454 cites W2099018361 @default.
- W4211077454 cites W2100380542 @default.
- W4211077454 cites W2100972137 @default.
- W4211077454 cites W2104793927 @default.
- W4211077454 cites W2116300265 @default.
- W4211077454 cites W2125989136 @default.
- W4211077454 cites W2129228131 @default.
- W4211077454 cites W2144152736 @default.
- W4211077454 cites W2163164435 @default.