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Merck

261475

Sigma-Aldrich

三氟甲磺酸二丁硼 溶液

1.0 M in methylene chloride

别名:

二丁基硼三氟甲磺酸盐 溶液

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About This Item

线性分子式:
CF3SO3B[(CH2)3CH3]2
CAS号:
分子量:
274.11
Beilstein:
1968660
MDL號碼:
分類程式碼代碼:
12352106
PubChem物質ID:
NACRES:
NA.22

形狀

liquid

濃度

1.0 M in methylene chloride

密度

1.271 g/mL at 25 °C

SMILES 字串

CCCCB(CCCC)OS(=O)(=O)C(F)(F)F

InChI

1S/C9H18BF3O3S/c1-3-5-7-10(8-6-4-2)16-17(14,15)9(11,12)13/h3-8H2,1-2H3

InChI 密鑰

FAVAVMFXAKZTMV-UHFFFAOYSA-N

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一般說明

三氟甲磺酸二丁硼(二丁基三氟硼酸盐,Bu2BOTf)是有机金属试剂。能有效地促进苄基和烯丙基有机铜试剂的1,4-加成反应。[1]

應用

三氟甲磺酸二丁硼 (ETMS) 可用于以下研究:
  • 赤式羟醛的立体选择性和区域选择性合成[2]
  • 作为促进剂,用于溶液和聚合物负载的三氯乙酰亚胺酯糖基化[1]
  • 通过一步Mukaiyama醇醛反应合成β-烷氧羰基化合物[3]
  • 醇醛环化,用于立体选择性合成环醚[4]
  • 作为试剂形成硼烯醇盐[5]
  • 作为络合剂,分离1-酰基二吡咯甲烷[6]
  • 作为促进剂,促进醛与O-苄基或 O-烯丙基乙醇酸酯的[1,2] -Wittig反应,无需强碱即可高产量地生成两个连续立体中心(1,2-二醇)[7]

訊號詞

Danger

危險分類

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

標靶器官

Central nervous system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

80.6 °F - closed cup

閃點(°C)

27 °C - closed cup

個人防護裝備

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Dibutylboron triflate promoted conjugate addition of benzylic and allylic organocopper reagents to chiral α,β-unsaturated N-acyl imidazolidinones.
van Heerden PS, et al.
Tetrahedron Letters, 37(39), 6985-6988 (1996)
Synlett, 81-81 (1992)
Sanjib Das et al.
Organic letters, 6(1), 123-126 (2004-01-03)
[reaction: see text] Dibutylboron triflate/diisopropylethylamine mediated aldol-type cyclization provides an expedient route for the stereoselective synthesis of cyclic ethers in a single step. The method is highly efficient for the stereoselective synthesis of 4-cis-tetrahydropyranones. The reaction is proposed to proceed
Stereo-and regio-controlled aldol synthesis.
Kuwajima I, et al.
Tetrahedron Letters, 21(44), 4291-4294 (1980)
Lian-Sheng Li et al.
Organic letters, 6(1), 127-130 (2004-01-03)
one-step Mukaiyama aldol type reaction [reaction: see text] A highly efficient one-step Mukaiyama aldol-type reaction has been developed for the synthesis of beta-alkoxy carbonyl compounds starting from ketones and acetals/ketals. The reaction is mediated by a combination of Bu(2)BOTf and

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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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