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重要文件

197343

Sigma-Aldrich

甲基锂 溶液

1.6 M in diethyl ether

同義詞:

Lithium methanide, MeLi

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About This Item

經驗公式(希爾表示法):
CH3Li
CAS號碼:
分子量::
21.98
Beilstein:
3587162
MDL號碼:
分類程式碼代碼:
12352103
PubChem物質ID:
NACRES:
NA.22

蒸汽密度

3 (vs air)

品質等級

形狀

liquid

成份

halide, ~0.05 M

濃度

1.6 M in diethyl ether

密度

0.732 g/mL at 25 °C

儲存溫度

2-8°C

SMILES 字串

[Li]C

InChI

1S/CH3.Li/h1H3;

InChI 密鑰

DVSDBMFJEQPWNO-UHFFFAOYSA-N

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一般說明

甲基锂是一种有机锂试剂,主要用于去质子化和作为甲基阴离子的来源。它是一种强碱和强亲核体。

應用

在手性铜催化剂存在下,甲基锂水溶液(1.6 M 乙醚中)已用于烯丙基亲电试剂的不对称烯丙基烷基化反应。该方案导致具有高度对映选择性的三级和四级立体中心的 C-C 键形成。它也可用于在( - ) - 鹰爪豆碱作为手性配体存在下与6,7-二甲氧基-3,4-二氢异喹啉反应而用于合成( - ) - 猪毛菜碱。

包裝

25 mL 可靠/密封 瓶推荐为一次性使用瓶。重复穿刺可能导致产品性能下降。

法律資訊

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

訊號詞

Danger

危險分類

Acute Tox. 4 Oral - Flam. Liq. 2 - Pyr. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 1

安全危害

儲存類別代碼

4.2 - Pyrophoric and self-heating hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

1.4 °F - closed cup

閃點(°C)

-17 °C - closed cup


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Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 129, 57-61 (2017-08-15)
We automated radiochemical synthesis of 1-[
Enantioselective addition of organolithium reagents to 3, 4-dihydroisoquinoline in the presence of (?)-sparteine as an external ligand. Application for the synthesis of isoquinoline alkaloids.
Chrzanowska M
Tetrahedron Asymmetry, 12(10), 1435-1440 (2001)
A Simplified Approach with 3D Visuals
Vasishta Bhatt
Essentials of Coordination Chemistry: A Simplified Approach with 3D Visuals, 183-183 (2015)
Mingyang Zhang et al.
Macromolecular rapid communications, 41(18), e2000323-e2000323 (2020-08-11)
Carbon monoxide (CO) has emerged as a potential therapeutic agent for the treatment of many diseases. However, the therapeutic outcome is highly dependent on the dosages and administration sites. Hence, there is mounting interest in the development of CO-releasing materials
Cu-catalyzed enantioselective allylic alkylation with organolithium reagents.
Hornillos V, et al.
Nature Protocols, 12(3), 493-493 (2017)

文章

Reagents for C–C Bond Formation

We carry a large variety of electrophiles and nucleophiles that are widely used in C–C bond-forming reactions. This group of products contains many organometallic reagents as well as commonly-used alkylating and acylating reagents.

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