Detail of "29976-53-2"

CAS Number:
29976-53-2
Name:
1-Piperidinecarboxylicacid, 4-oxo-, ethyl ester
Superlist Name:
N-Carbethoxy-4-piperidone
Molecular Structure:
Formula:
C₈H₁₃NO₃
Molecular Weight:
171.19
Synonyms:
1-Ethoxycarbonyl-4-piperidone;1-(Carboethoxy)-4-piperidinone;1-(Carboethoxy)-4-piperidone;1-(Ethoxycarbonyl)-4-piperidone;1-Carbethoxy-4-piperidone;1-Carbethoxypiperidin-4-one;1-Ethoxycarbonyl-4-oxopiperidine;1-Ethoxycarbonyl-4-piperidinone;4-Oxo-1-piperidinecarboxylic acid ethyl ester;Ethyl4-oxo-1-piperidinecarboxylate;N-(Ethoxycarbonyl)-4-piperidone;N-Carbethoxy-4-piperidinone;N-Carboethoxy-4-piperidone;N-Ethoxycarbonyl-4-piperidinone;NSC 139022;
EINECS:
249-984-5
Density:
1.155 g/cm³
Boiling Point:
273.4 °C at 760 mmHg
Flash Point:
87.8 °C
Solubility:
Soluble in water and alcohol
Appearance:
Clear colorless to pale yellow colored liquid
Hazard Symbols:
Xn, Xi
Risk Codes:
36/38-22-36/37/38-20/21/22
Safety:
23-24/25-37/39-26-36 Details

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Reference

Preparation of heterocyclic spiro compounds and their intermediates: Preparation of heterocyclic spiro compounds and their intermediates. Tsukamoto, Shinichi; Kondo, Yutaka; Igarashi, Susumu; Fujii, Mitsuo (Yamanouchi Pharmaceutical Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 04145084 A2 19 May 1992 Heisei, 6 pp. (Japan). CODEN: JKXXAF.Chemical with cas number 29976-53-2 also plays role. CLASS: ICM: C07D491-107. ICS: A61K031-445; C07D211-48. 29976-53-2 is also in the experiment. APPLICATION: JP 90-264777 2 Oct 1990. DOCUMENT TYPE: Patent CA Section: 27 (Heterocyclic Compounds (One Hetero Atom)) The title compds. (I; R1 = alkyl), useful as drugs for preventing and treating central nervous system disorders (no data), are prepd. NBS (42.72 g) was added to a mixt. of 1-carbethoxy-4-methylenepiperidine 20.3, (S)-3-butyn-2-ol 42.1, and silica gel 1.2 g with stirring under cooling and at room temp. to give 65 g II, which was heated with 10N NaOH and NaBH4 in 95% EtOH at 50°; 2.4 g chlorocobaloxime (III) was added with stirring at 50° to give 8.8 g spiro compd. (S)-III. Redn. of 8.4 g (S)-III with vitride in MePh at room temp. gave 4.05 g (S)-I (R1 = b-Me), which was heated with 3.75 g fumaric acid in MeCN to dissoln. and kept at 40° to give 6.1 g fumarate salt. ..

Preparation of heterocyclic spiro compounds and their intermediates: Preparation of heterocyclic spiro compounds and their intermediates. Tsukamoto, Shinichi; Kondo, Yutaka; Igarashi, Susumu; Fujii, Mitsuo (Yamanouchi Pharmaceutical Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 04145084 A2 19 May 1992 Heisei, 6 pp. (Japan). CODEN: JKXXAF.Chemical with cas number 29976-53-2 also plays role. CLASS: ICM: C07D491-107. ICS: A61K031-445; C07D211-48. 29976-53-2 is also in the experiment. APPLICATION: JP 90-264777 2 Oct 1990. DOCUMENT TYPE: Patent CA Section: 27 (Heterocyclic Compounds (One Hetero Atom)) The title compds. (I; R1 = alkyl), useful as drugs for preventing and treating central nervous system disorders (no data), are prepd. NBS (42.72 g) was added to a mixt. of 1-carbethoxy-4-methylenepiperidine 20.3, (S)-3-butyn-2-ol 42.1, and silica gel 1.2 g with stirring under cooling and at room temp. to give 65 g II, which was heated with 10N NaOH and NaBH4 in 95% EtOH at 50°; 2.4 g chlorocobaloxime (III) was added with stirring at 50° to give 8.8 g spiro compd. (S)-III. Redn. of 8.4 g (S)-III with vitride in MePh at room temp. gave 4.05 g (S)-I (R1 = b-Me), which was heated with 3.75 g fumaric acid in MeCN to dissoln. and kept at 40° to give 6.1 g fumarate salt. ..

Detail of "29976-53-2"

1-Piperidinecarboxylicacid, 4-oxo-, ethyl ester

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Reference