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656984

Sigma-Aldrich

异丙基氯化镁氯化锂络合物 溶液

1.3 M in THF

同義詞:

Turbo Grignard

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About This Item

線性公式:
(CH3)2CHMgCl · LiCl
分子量::
145.24
MDL號碼:
分類程式碼代碼:
12352103
PubChem物質ID:
NACRES:
NA.22
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反應適用性

reaction type: Grignard Reaction

品質等級

100
200

濃度

1.3 M in THF

密度

0.951 g/mL at 25 °C

SMILES 字串

[Li]Cl.CC(C)[Mg]Cl

InChI

1S/C3H7.2ClH.Li.Mg/c1-3-2;;;;/h3H,1-2H3;2*1H;;/q;;;2*+1/p-2

InChI 密鑰

CWTUREABAILGIK-UHFFFAOYSA-L

應用

选择性金属化反应试剂

用于
  • 制备官能化无环烯基镁试剂/制备1,2-双酮
  • 制备环化烯基和二烯基镁试剂
  • 制备官能化三氮烯/制备咔唑
  • 区域选择性官能化三取代吡啶
  • 亲电子氨基化制备氨
  • 在掩蔽酮和醛(使用易于脱保护的硅烷化氰醇)存在下,制备Grignard试剂
  • 通过硫-镁交换制备苄型Grignards
  • 未保护芳香族和杂芳香族羧酸通过I-Mg交换官能化
  • 未保护咪唑通过I-Mg交换官能化
  • 吡啶合成
  • 官能化环戊烯衍生物
  • 制备2,3-官能化呋喃、苯并呋喃和噻吩
  • 空间选择性合成取代环丙烷
试剂和CH3MgCl/LiCl一起使用影响在未保护芳基羧酸上镁-卤素交换。[1]

包裝

建议将25 mL Sure/Seal 瓶作为一次性瓶使用。 反复穿刺可能会导致产品性能下降。

法律資訊

Albemarle US Inc产品
Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

訊號詞

Danger

危險分類

Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3

標靶器官

Central nervous system, Respiratory system

安全危害

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

1.4 °F

閃點(°C)

-17 °C

個人防護裝備

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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分析證明 (COA)

Lot/Batch Number

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Felix Kopp et al.
Chemical communications (Cambridge, England), (20), 2075-2077 (2007-08-24)
The magnesiation of halogenated aromatic and heteroaromatic carboxylic acids is accomplished by their treatment with MeMgCl in the presence of LiCl and subsequent reaction with i-PrMgCl.LiCl; the resulting double-magnesiated species react with a variety of electrophiles in up to 97%

文章

Salt additives increase both the rate and the efficiency of the Mg-halogen exchange reaction. The most effective reagents are generated with R-MgCl (R = i-Pr, s-Butyl) and 1.0 equiv of LiCl.

轉換性試劑可在溫和反應下對含有敏感官能性的分子進行選擇性轉換。

Transformative reagents enable selective conversions within molecules containing sensitive functionalities under mild reactions.

Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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