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(1S,5aR,7aR,7bS)-7,7-diisopropyl-6-oxa-1-[(phenoxythiocarbonyl)oxy]-7-sila-octahydro-2H-cyclopenta[g,h]pyrrolizin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

187840-87-5

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187840-87-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187840-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,8,4 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 187840-87:
(8*1)+(7*8)+(6*7)+(5*8)+(4*4)+(3*0)+(2*8)+(1*7)=185
185 % 10 = 5
So 187840-87-5 is a valid CAS Registry Number.

187840-87-5Downstream Products

187840-87-5Relevant academic research and scientific papers

Tandem [4 + 2]/[3 + 2] cycloadditions of nitroalkenes. 13. The synthesis of (-)-detoxinine

Denmark, Scott E.,Hurd, Alexander R.,Sacha, Hubert J.

, p. 1668 - 1674 (2007/10/03)

(-)-Detoxinine, an unusual, highly-functionalized amino acid, is the core residue of many components that comprise the detoxin complex. The synthesis of (-)-detoxinine was accomplished in 10 steps and 13.4% overall yield from commercially available dichlorodiisopropylsilane. The key step is an asymmetric tandem inter [4 + 2]/intra [3 + 2] cycloaddition between silyoxynitroalkene 17 and chiral vinyl ether (-)-24, illustrating the application of a temporary silicon tether in the tandem nitroalkene cycloaddition process.

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