Cas 179112-57-3,N-[(1S,2R,3aS,6aR)-1-(tert-Butyl-diphenyl-silanyloxymethyl)-5-oxo-2-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-3a-ylmethyl]-4-chloro-N-methyl-benzenesulfonamide

179112-57-3

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Basic information

Product Name: N-[(1S,2R,3aS,6aR)-1-(tert-Butyl-diphenyl-silanyloxymethyl)-5-oxo-2-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-3a-ylmethyl]-4-chloro-N-methyl-benzenesulfonamide
Synonyms:
CAS NO:179112-57-3
Molecular Formula:
Molecular Weight: 710.407
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: N-[(1S,2R,3aS,6aR)-1-(tert-Butyl-diphenyl-silanyloxymethyl)-5-oxo-2-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-3a-ylmethyl]-4-chloro-N-methyl-benzenesulfonamide(CAS DataBase Reference)
NIST Chemistry Reference: N-[(1S,2R,3aS,6aR)-1-(tert-Butyl-diphenyl-silanyloxymethyl)-5-oxo-2-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-3a-ylmethyl]-4-chloro-N-methyl-benzenesulfonamide(179112-57-3)
EPA Substance Registry System: N-[(1S,2R,3aS,6aR)-1-(tert-Butyl-diphenyl-silanyloxymethyl)-5-oxo-2-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-3a-ylmethyl]-4-chloro-N-methyl-benzenesulfonamide(179112-57-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 179112-57-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 179112-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,1,1 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 179112-57:
(8*1)+(7*7)+(6*9)+(5*1)+(4*1)+(3*2)+(2*5)+(1*7)=143
143 % 10 = 3
So 179112-57-3 is a valid CAS Registry Number.

179112-57-3Upstream product

74-88-4 methyl iodide

179112-57-3Downstream Products

179112-57-3Relevant academic research and scientific papers

High stereoselectivity in the Wittig reaction induced by the interaction of charges

Klar, Ulrich,Deicke, Peter

, p. 4141 - 4144 (1996)

The synthesis of carbacyclin analogues I based on the introduction of an α-chain to a suitable substituted bicyclo[3.3.0]octan-3-one derivative like 5 by a Wittig reaction leads generally to nearly 1:1-mixtures of E/Z-isomers. This lack of selectivity will change dramatically, if an acidic sulfonamide in the bicyclic framework is present. The observed Z-selectivity can be explained by an interaction of charges of the deprotonated sulfonamide and the electrophilic phosphorous atom in the Wittig reagent.

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