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Detail of "21932-54-7"

  • CAS Number:
  • 21932-54-7
  • Name:
  • Borane,bis[(1R,2S,3R,5R)-2,6,6-trimethylbicyclo[3.1.1]hept-3-yl]-

  • Superlist Name:
  • (-)-Diisopinocampheyl borane
  • Molecular Structure:
  • Formula:
  • C20H35B
  • Molecular Weight:
  • 286.30
  • Synonyms:
  • Borane,bis(2,6,6-trimethylbicyclo[3.1.1]hept-3-yl)-, [1R-[1a,2b,3a(1R*,2S*,3R*,5R*),5a]]-;Borane, di-3-pinanyl-, (-)-(8CI);(-)-Diisopinocampheylborane;l-Diisopinocampheylborane;

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CAS No.21932-54-7 (-)-Diisopinocampheyl borane

Supplier:TIANJIN SPRING PHARMA SCIENCE CO., LTD [ China (Mainland)]

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CAS No.21932-54-7 (-)-Diisopinocampheyl borane

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

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CAS No.21932-54-7 (-)-Diisopinocampheyl borane

(-)-Diisopinocampheyl borane 21932-54-7 C20H35B 286.3

Supplier:Lude Fine Chemical Co., Ltd [ China (Mainland)]

380Integral
380

Tel:86-0532-66630909

Address:Shandong road

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CAS No.21932-54-7 (-)-Diisopinocampheyl borane

(-)-Diisopinocampheyl Borane

Supplier:Roatak (HK) Enterprise CO., Limited [ China (Mainland)]

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Address:Room 1007 306#, Shaoyaoju North Block, Chaoyang District, Beijing 100029, China

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CAS No.21932-54-7 (-)-Diisopinocampheyl borane

Chemistry: Pharmaceutical Intermediates TOXICITY: Low toxicity SAFETY: Safe Production: Others:

Supplier:Shanghai Scientia Pharmaceutical Technology Co., Ltd. [ China (Mainland)]

570Integral
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Tel:+86-21-54301573

Address:www.scientiapharm.com

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CAS No.21932-54-7 (-)-Diisopinocampheyl borane

98%

Supplier:Reafon Industry Co., Ltd [ China (Mainland)]

610Integral
610

Tel:+86-15336681887

Address:Yangmuqi Road No.476

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CAS No.21932-54-7 (-)-Diisopinocampheyl borane

Supplier:Beijing zhongke expanding chemical technology Co., LTD. [ China (Mainland)]

600Integral
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Tel:010-51600645 58608265;57131961

Address:Beijing changping area connects center north pearl tower 2 buildings

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Reference

New chiral borohydrides
New chiral borohydrides. 2. Preparation of potassium B-methoxydiisopinocampheylborohydride and its asymmetric reducing properties. Cho, Byung Tae (Dep. Chem., Hallym Univ., Chunchon 200-702, S. Korea). Bull. Korean Chem. Soc., 12(6), 662-5 (English) 1991. CODEN: BKCSDE.In this article, certain chemicals are used. Some of their cas registry numbers are 15206-55-0 and 21932-54-7 ISSN: 0253-2964. DOCUMENT TYPE: Journal CA Section: 29 (Organometallic and Organometalloidal Compounds) Section cross-reference(s): 30 In order to prep. new chiral borohydrides, e.g., I, possessing chirality on the dialkyl moieties, a series of B-alkoxydiisopinocampheylborinates were synthesized by treatment of diisopinocampheylborane with alcs. and reacted with excess of potassium hydride. Of these chiral borinic esters, only B-methoxydiisopinocampheyl borinate was converted into the corresponding dialkylmonoalkoxyborohydride I. In the asym. redn. of the selected ketones, I provided the corresponding alcs., e.g., 39% ee for 3-butyn-2-one. .
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