Detail of "69225-59-8"

CAS Number:
69225-59-8
Name:
1,5-Dioxaspiro[5.5]undecan-9-one,3,3-dimethyl-
Superlist Name:
3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan-9-one
Molecular Structure:
Formula:
C₁₁H₁₈O₃
Molecular Weight:
198.26
Synonyms:
1,4-Cyclohexanedionemono(2,2-dimethyltrimethylene ketal);1,4-Cyclohexanedione mono-2,2-dimethyltrimethylene ketal;
EINECS:
273-918-4
Density:
1.08 g/cm³
Melting Point:
45-50 °C(lit.)
Boiling Point:
295.4 °C at 760 mmHg
Flash Point:
123.3 °C
Appearance:
White to yellowish powder
Risk Codes:
36/37/38
Safety:
24/25 Details

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Total synthesis of (±)-3-demethoxyerythratidinone: demonstration of a radical cyclization route to a site specific enol derivative: Total synthesis of (±)-3-demethoxyerythratidinone: demonstration of a radical cyclization route to a site specific enol derivative. Danishefsky, Samuel J.; Panek, James S. (Dep. Chem., Yale Univ., New Haven, CT 06511, USA).Some commonly used reagents like 106469-82-3 is used in this experiment. J. Am. Chem. Soc., 109(3), 917-18 (English) 1987. CODEN: JACSAT. ISSN: 0002-7863. DOCUMENT TYPE: Journal CA Section: 31 (Alkaloids) The use of a geminal acyloxyallylstannane I in a free radical cyclization reaction is demonstrated for the first time. The regiochem. defined enol acetate II arising from this cyclization is exploited for the induction of a double bond, thus enabling a concise synthesis of the title compd. III. .

Intramolecular [2 + 2] photocycloaddition of 4-(allenic-substituted)-2-cycloalken-1-ones: Intramolecular [2 + 2] photocycloaddition of 4-(allenic-substituted)-2-cycloalken-1-ones. Ring size, length of sidechain and temperature effects. Dauben, William G.; Shapiro, Gideon; Luders, Linda (Dep. Chem.Chemical with cas number 69225-59-8 also plays role., Univ. California, Berkeley, CA 94720, USA). Tetrahedron Lett., 26(11), 1429-32 (English) 1985. CODEN: TELEAY. ISSN: 0040-4039. DOCUMENT TYPE: Journal CA Section: 24 (Alicyclic Compounds) The intramol. [2+2] photocycloaddn. of 4-(allenic-substituted)-2-cycloalken-1-ones has been shown to be controlled by the ring size of the cycloalkenone, the chain length and the temp. of the reaction. Thus, photocycloaddn. of the cyclohexone deriv. I gave the tricyclodecane II. .