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Δ2,Δ20-N-tosyl-4,8-dioxo-21-(phenylsulfonyl)aspidospermidine is a complex organic compound with a molecular formula of C37H36N4O7S2. It is derived from the natural product aspidospermidine, a member of the aspidosperma alkaloid family, and is characterized by the presence of a tosyl group (a toluene sulfonyl group) at the nitrogen atoms in positions 2 and 20, and a phenylsulfonyl group at position 21. The compound features a 4,8-dioxo structure, indicating the presence of two carbonyl groups at these positions. This chemical is of interest in the field of organic chemistry and may have potential applications in the development of new pharmaceuticals or as a research tool in studying the structure and properties of aspidosperma alkaloids.

83219-88-9

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83219-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83219-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,1 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83219-88:
(7*8)+(6*3)+(5*2)+(4*1)+(3*9)+(2*8)+(1*8)=139
139 % 10 = 9
So 83219-88-9 is a valid CAS Registry Number.

83219-88-9Downstream Products

83219-88-9Relevant academic research and scientific papers

Phenyl 2-(Trimethylsilyl)ethynyl Sulfone as a New Vinyl Cation Synthon

Ohnuma, Takeshi,Hata, Noriaki,Fujiwara, Hiroyuki,Ban, Yoshio

, p. 4713 - 4717 (2007/10/02)

Phenyl 2-(trimethylsilyl)ethynyl sulfone (PhSO2CCSiMe3, 1) is provided as a new vinyl cation synthon for an efficient introduction of the vinyl group to a variety of carbanionic nucleophiles (see Table I), including a highly hindered one, 29, an important precursor for the synthesis of Aspidosperma alkaloids.Another attractive feature of this reagent, which can be easily prepared in a large scale, is particularly demonstrated by its utility under rather strong basic conditions such as NaH, t-BuOK, KF, etc.

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