Detail of "74879-18-8"

CAS Number:
74879-18-8
Name:
(S)-(+)-2-Methylpiperazine
Molecular Structure:
Formula:
C₅H₁₂N₂
Molecular Weight:
100.10
Synonyms:
Piperazine,2-methyl-, (S)-;(-)-2-Methylpiperazine;(2S)-2-Methylpiperazine;(S)-2-Methylpiperazine;(S)-3-Methylpiperazine;2(S)-Methylpiperazine;
Density:
0.845 g/cm₃
Melting Point:
91-93 °C(lit.)
Boiling Point:
153.2 °C at 760 mmHg
Flash Point:
45.1 °C
Solubility:
Soluble in water
Appearance:
white to yellow crystalline powder or chunks
Hazard Symbols:
F, Xi, C
Risk Codes:
11-36/37/38-34
Safety:
16-26-36/37/39-45-36 Details
Transport Information:
UN 1325 4.1/PG 2
particular:
particular

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Preparation of chiral 2-methylpiperazine: All Rights Reserved. Preparation of chiral 2-methylpiperazine. Liu, Bo; Yang, Chunhao; Xie, Yuyuan (Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, Peop. Rep. China). Huaxue Tongbao, 69(4), 247-251 (Chinese) 2006 Huaxue Tongbao Bianjibu. CODEN: HHTPAU.Several reagents with their cas registry numbers 75336-86-6 and 74879-18-8 are used here. ISSN: 0441-3776. DOCUMENT TYPE: Journal; General Review CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) A review. Chiral 2-methylpiperazine was widely used in org. synthesis. In this paper, the prepn. of chiral 2-methylpiperazine was introduced, including resoln. with chiral reagent, synthesis from chiral material and building chiral center. And the feasibility and fitness of the different routes were evaluated. Review. .

Enzymic resolution of piperazine and derivatives: Enzymic resolution of piperazine and derivatives. Watabe, Shinya; Fujiwara, Mitsuhiko; Sayo, Noboru (Takasago Perfumery Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 2005102653 A2 21 Apr 2005, 15 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: C12P041-00. ICS: C07D241-04. 74879-18-8 which is the cas registry number of some chemical is mentioned. APPLICATION: JP 2003-343757 1 Oct 2003. DOCUMENT TYPE: Patent CA Section: 16 (Fermentation and Bioindustrial Chemistry) Section cross-reference(s): 1, 5 Racemic piperazines are incubated with hydrolytic enzymes such as lipase in the presence of an acylating agent to prep. optically active acyl piperazines and optically active piperazines. Manuf. of (S)-4-acetyl-2-methylpiperazine and (R)-2-methylpiperazine with Novozyme and acylating agent Bu acetate was shown. .