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197343

Sigma-Aldrich

甲基锂 溶液

1.6 M in diethyl ether

别名:

Lithium methanide, MeLi

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About This Item

经验公式（希尔记法）:
CH3Li
CAS号:
917-54-4
分子量:
21.98
Beilstein:
3587162
MDL號碼:
MFCD00008253
分類程式碼代碼:
12352103
PubChem物質ID:
24851824
NACRES:
NA.22

蒸汽密度

3 (vs air)

品質等級

100

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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相关类别

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。
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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

EUH019,EUH066

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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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.

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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