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Merck
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文件

334030

Sigma-Aldrich

溴化钴(II) 水合物

别名:

溴化钴 水合物

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About This Item

线性分子式:
CoBr2 · xH2O
CAS号:
85017-77-2
分子量:
218.74 (anhydrous basis)
EC號碼:
232-166-7
MDL號碼:
MFCD00150208
分類程式碼代碼:
12161600
PubChem物質ID:
24860213
NACRES:
NA.22

形狀

solid

反應適用性

core: cobalt
reagent type: catalyst

SMILES 字串

O.Br[Co]Br

InChI

1S/2BrH.Co.H2O/h2*1H;;1H2/q;;+2;/p-2

InChI 密鑰

MOTZAWYGLXXRSO-UHFFFAOYSA-L

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相关类别

應用

Catalyst for C-metal, C-heteroatom and C-C bond formations, addition to unsaturated bonds, cyclizations, functional group transformations, polymerization, oxidations and reductions, carbonylations.

象形圖

Exclamation mark
GHS07

訊號詞

Warning

危險分類

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

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Kei Murakami et al.
Organic letters, 11(11), 2373-2375 (2009-05-12)
Cobalt(II) bromide catalyzes arylzincation of alkynes with arylzinc iodide x lithium chloride complexes in acetonitrile. The scope of the arylzincation is wide enough to use unfunctionalized alkynes, such as 6-dodecyne, as well as arylacetylenes. The inherent functional group compatibility of
Efficient cobalt-catalyzed formation of unsymmetrical biaryl compounds and its application in the synthesis of a sartan intermediate.
Muriel Amatore et al.
Angewandte Chemie (International ed. in English), 47(11), 2089-2092 (2008-02-09)
Gerhard Hilt et al.
Chemical communications (Cambridge, England), (11), 1474-1475 (2005-03-10)
The intermolecular cyclotrimerisation of terminal and internal alkynes can be catalysed by simple cobalt complexes such as a CoBr2(diimine) under mild reaction conditions when treated with zinc and zinc iodide with high regioselectivity in excellent yields.
Hyacinthe Fillon et al.
Journal of the American Chemical Society, 125(13), 3867-3870 (2003-03-27)
A new chemical method for the preparation of arylzinc intermediates is described in acetonitrile, on the basis of the activation of aryl bromides by low-valent cobalt species arising from the reduction of cobalt halide by zinc dust. This procedure allows

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