Cas 128145-57-3,(1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.0<sup>1,4</sup>]decan-10-one

128145-57-3

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Basic information

Product Name: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.0^1,4]decan-10-one
Synonyms: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.0^1,4]decan-10-one
CAS NO:128145-57-3
Molecular Formula:
Molecular Weight: 320.409
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: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.0^1,4]decan-10-one(CAS DataBase Reference)
NIST Chemistry Reference: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.0^1,4]decan-10-one(128145-57-3)
EPA Substance Registry System: (1R,4R,5R)-5-Benzenesulfonyl-2,2-dimethyl-9-oxa-tricyclo[3.3.2.0^1,4]decan-10-one(128145-57-3)

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: 128145-57-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 128145-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,4 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128145-57:
(8*1)+(7*2)+(6*8)+(5*1)+(4*4)+(3*5)+(2*5)+(1*7)=123
123 % 10 = 3
So 128145-57-3 is a valid CAS Registry Number.

128145-57-3Upstream product

128145-57-3Downstream Products

128145-57-3Relevant academic research and scientific papers

'Accordion' rearrangements of cyclobutane α-sulfonyl lactones

Kende,Kaldor

, p. 7329 - 7332 (1989)

The tricyclic α-sulfonyl lactone 4 is converted by alkoxides to bicyclic acids 5,6; the homologous α-sulfonyl lactone 8 yields bicyclic acid 10 or the cyclononene ketoacid 9. These products arise from a common Grob fragmentation mechanism (Scheme 3), in which the fate of the medium-ring trans-cycloalkene intermediates 12 is determined by ring size and by the nature of the nucleophilic base used.

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