Detail of "694-98-4"

CAS Number:
694-98-4
Name:
Bicyclo[2.2.1]hept-5-en-2-one
Molecular Structure:
Formula:
C₇H₈O
Molecular Weight:
108.14
Synonyms:
5-Norbornen-2-one(6CI,7CI,8CI);(?à)-Bicyclo[2.2.1]hept-5-en-2-one;(?à)-Norborn-5-en-2-one;2-Norbornen-5-one;2-Norbornenone;2-Oxo-5-norbornene;Dehydronorcamphor;NSC152327;Norcamphor, dehydro-;
Density:
1.138 g/cm³
Boiling Point:
182.1 °C at 760 mmHg
Flash Point:
63.5 °C

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694-98-4

Supplier:INTERCHEMLTDA [ Colombia]

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694-98-4

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Ethyl 7-oxo-4-phenyltricyclo[4: Ethyl 7-oxo-4-phenyltricyclo[4.2.1.02,5]non-3-ene-3-carboxylate. Tam, William; Lough, Alan J.; Jordan, Robert W. (Department of Chemistry and Biochemistry, University of Guelph, Guelph, ON N1G 2W1, Can. 694-98-4 and 301841-72-5 are cas registry numbers. These chemicals are also mentioned in this article.). Acta Crystallographica, Section E: Structure Reports Online, E59(11), o1685-o1686 (English) 2003 International Union of Crystallography. URL: http://journals.iucr.org/e/issues/2003/11/00/bt6363/index.html. CODEN: ACSEBH. ISSN: 1600-5368. DOCUMENT TYPE: Journal; (online computer file) CA Section: 75 (Crystallography and Liquid Crystals) Section cross-reference(s): 25 The regio- and stereochem. of the title compd. was established by x-ray anal. Crystals of the compd. are orthorhombic, space group Pccn, with a 16.2196(4), b 18.2187(4), c 10.0604(2) ?; Z = 8, dc = 1.262; R = 0.041, Rw(F2) = 0.113 for 3398 reflections. The bond lengths and angles are normal. .

Photochemistry of 1-methoxybicyclo[2: Photochemistry of 1-methoxybicyclo[2.2.2]oct-5-en-3-one: a singlet oxa-di-.pi.-methane rearrangement. Eckersley, T.; Parker, S. D.Chemicals with cas numbers 694-98-4 and 62353-70-2 also play role.; Rogers, N. A. J. (Chem. Dep., Lancaster Univ., Lancaster, Engl.). Tetrahedron Lett., (48), 4393-4 (English) 1976. CODEN: TELEAY. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) Direct irradn. at 300 nm of the title compd. (I) in C6H6 and Me2CO gave the oxadi-.pi.-methane rearrangement product II and the fused cyclobutanone III. Addn. of piperylene or cyclohexadiene did not quench II but at very high piperylene concns. the yields of II and III were reduced by the same proportion, suggesting that they originate from the same excited singlet state. Direct irradn. at 300 nm of norbornenone, 1-methoxybicyclo[2.2.2]oct-5-en-2-one, or bicyclo[2.2.2]oct-5-en-2-one gave no oxadi-.pi.-methane products. .