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. 2001 Jul;49(7):900-4.
doi: 10.1248/cpb.49.900.

Diels-Alder reaction of 1,3-butadiene derivatives with 1-methyl-2(1H)-quinolones having an electron-withdrawing group at the 4-position

R Fujita  1 , K Watanabe, T Yoshisuji, H Hongo, H Matsuzaki
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Free article

Diels-Alder reaction of 1,3-butadiene derivatives with 1-methyl-2(1H)-quinolones having an electron-withdrawing group at the 4-position

R Fujita et al. Chem Pharm Bull (Tokyo). 2001 Jul.
Free article

Abstract

Diels-Alder reactions of 1-methyl-2(1H)-quinolones having an electron-withdrawing group at the 4-position with isoprene, butadiene sulfone, and cyclohexadiene were performed to yield functionalized phenanthridones stereoselectively at atmospheric and at high pressure. Regioselectivity and stereochemistry of a methoxycarbonyl group were studied using the semi-empirical and ab initio MO methods, respectively.

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