Detail of "27087-06-5"
- CAS Number:
- 27087-06-5
- Name:
2(3H)-Benzoxazolone, 5-chloro-6-nitro-
- Molecular Structure:
- Formula:
- C7H3ClN2O4
- Molecular Weight:
- 214.56
- Synonyms:
- 2-Benzoxazolinone,5-chloro-6-nitro- (8CI);5-Chloro-6-nitrobenzoxazolin-2-one;NSC 49161;
- Density:
- 1.704 g/cm3
2(3H)-Benzoxazolone, 5-chloro-6-nitro-
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Reference
- 6-Nitrobenzoxazolones
- 6-Nitrobenzoxazolones. (Nagase Kasei Kogyo K. K., Japan). Jpn.Chemicals with cas numbers 27087-06-5 and 88-75-5 also play role. Kokai Tokkyo Koho JP 58225071 A2 27 Dec 1983 Showa, 4 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C07D263-58. APPLICATION: JP 82-107303 21 Jun 1982. DOCUMENT TYPE: Patent CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Nitrobenzoxazolones I (R = H, Cl) were prepd. by reaction of 2,4-(O2N)RC6H3OH (II) with CO in aq. org. solvent in the presence of bases and Se followed by treatment with concd. HNO3. Thus, a mixt. of 69.5 g II (R = H), 4 g Se powder, 16 mL H2O, 120 mL Et3N, and 25 kg/cm2 CO in THF was autoclaved 3 h at 100°, concd., the residue added to 400 mL concd. HNO3 at 60-75°, and the whole stirred 30 min at 50° to give 97% I (R = H). .