138079-59-1 Usage
General Description
(R)-(3-hydroxy-2,3-dimethylbutyl)triphenylphosphonium iodide is a chemical compound with the molecular formula C22H27OPI. It is a phosphonium salt with a hydroxy-functionalized alkyl group. (R)-(3-hydroxy-2,3-diMethylbutyl)triphenylphosphoniuM iodide is a synthetic reagent that is commonly used in organic chemistry reactions as a phase transfer catalyst, particularly in the synthesis of pharmaceuticals and agrochemicals. It is known for its ability to facilitate the transfer of a hydroxy-functionalized alkyl group between different phases, such as between an aqueous and organic phase. Additionally, it has been used in the synthesis of natural products and as a reagent in various organic transformations. Overall, (R)-(3-hydroxy-2,3-dimethylbutyl)triphenylphosphonium iodide is an important compound with diverse applications in chemical synthesis.
Check Digit Verification of cas no
The CAS Registry Mumber 138079-59-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,7 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138079-59:
(8*1)+(7*3)+(6*8)+(5*0)+(4*7)+(3*9)+(2*5)+(1*9)=151
151 % 10 = 1
So 138079-59-1 is a valid CAS Registry Number.
138079-59-1Relevant articles and documents
A short and efficient synthesis of DE-A,B(22E,24S)-8β-(benzoyloxy)-25-hydroxyergost-22-ene a valuable intermediate in the total synthesis of 25-hydroxylated vitamin D2-metabolites
Hanekamp, Jaap C.,Rookhuizen, Rob Boer,Heuvel, Henry L. A. V. D.,Bos, Hendrik J. T.,Brandsma, Lambert
, p. 5397 - 5400 (1991)
The titel compound was synthesised in 8 steps starting from vitamin D2. The side-chain was constructed using a chiral, stereoselective Wittig-reagent.
METHODS FOR PRODUCING PARICALCITOL
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Page/Page column 99, (2010/04/03)
The present invention is directed to novel processes for the preparation of paricalcitol to novel intermediates used in these processes, and to processes for preparation of the novel intermediates.
