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(1S,3S)-4-Chloro-3-methyl-1-oxo-1-phenyl-1,2,3,6-tetrahydro-1λ5-phosphinin-3-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109891-10-3

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109891-10-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109891-10-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,9 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109891-10:
(8*1)+(7*0)+(6*9)+(5*8)+(4*9)+(3*1)+(2*1)+(1*0)=143
143 % 10 = 3
So 109891-10-3 is a valid CAS Registry Number.

109891-10-3Downstream Products

109891-10-3Relevant academic research and scientific papers

Synthesis of 1,2,5,6-Tetrahydrophosphorin 1-Oxides and 1,2-Dihydrophosphorin 1-Oxides from 2,5-Dihydro-1H-phosphole 1-Oxide-Dichlorocarbene Adducts

Keglevich, Gyoergy,Toth, Gabor,Petnehazy, Imre,Miklos, Peter,Toeke, Laszlo

, p. 5721 - 5727 (2007/10/02)

Reaction of 6,6-dichloro-1-methyl-3-phosphinbicyclohexane 1-oxides 1 with silver nitrate in alkohols or water leads to the regioisomers of alkoxy- or hydroxy-1,2,3,6,tetrahydrophosphorin 1-oxides 2A and 2B or 3A and 3B.Each isomer consists of diastereoisomers.Water elimination from the hydroxy derivatives 3 results in the formation of the regioisomers of 1,2-dihydrophosphorin 1-oxides 4A and 4B.Constitution and strereostructure of the compounds has been elucidated by 1H, 13C, and 31P NMR spectroscopy.

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