Cas 84129-59-9,cis-(1R,3R)-(+)-methyl 3-benzyl-1,2,3,3a,4,5-hexahydro-6-oxocanthine-2-carboxylate

84129-59-9

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Basic information

Product Name: cis-(1R,3R)-(+)-methyl 3-benzyl-1,2,3,3a,4,5-hexahydro-6-oxocanthine-2-carboxylate
Synonyms: cis-(1R,3R)-(+)-methyl 3-benzyl-1,2,3,3a,4,5-hexahydro-6-oxocanthine-2-carboxylate
CAS NO:84129-59-9
Molecular Formula:
Molecular Weight: 374.439
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: cis-(1R,3R)-(+)-methyl 3-benzyl-1,2,3,3a,4,5-hexahydro-6-oxocanthine-2-carboxylate(CAS DataBase Reference)
NIST Chemistry Reference: cis-(1R,3R)-(+)-methyl 3-benzyl-1,2,3,3a,4,5-hexahydro-6-oxocanthine-2-carboxylate(84129-59-9)
EPA Substance Registry System: cis-(1R,3R)-(+)-methyl 3-benzyl-1,2,3,3a,4,5-hexahydro-6-oxocanthine-2-carboxylate(84129-59-9)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 84129-59-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 84129-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,2 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 84129-59:
(7*8)+(6*4)+(5*1)+(4*2)+(3*9)+(2*5)+(1*9)=139
139 % 10 = 9
So 84129-59-9 is a valid CAS Registry Number.

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84129-59-9Relevant academic research and scientific papers

Enantiospecific Total Synthesis of the Sarpagine Related Indole Alkaloids Talpinine and Talcarpine as Well as the Improved Total Synthesis of Alstonerine and Anhydromacrosalhine-methine via the Asymmetric Pictet-Spengler Reaction

Yu, Peng,Wang, Tao,Li, Jin,Cook, James M.

, p. 3173 - 3191 (2007/10/03)

The enantiospecific total synthesis of talpinine 1 and talcarpine 2 has been accomplished from D-(+)-tryptophan in 13 steps (11 reaction vessels) in 10% and 9.5% overall yields, respectively. Moreover, this synthetic approach has been employed for the improved synthesis of alstonerine 3 and anhydromacrosalhine-methine 4 in 12% and 14% overall yield, respectively. A convenient synthetic route for the enantiospecific, stereospecific preparation of the key intermediate (-)-Na-H, Nb-benzyl tetracyclic ketone 15a via the asymmetric Pictet-Spengler reaction on a multihundredgram scale has been developed. A diastereocontrolled (>30:1) anionic oxy-Cope rearrangement and the intramolecular rearrangement to form ring-E and an Nb-benzyl/Nb-methyl transfer reaction also served as key steps. This general approach can now be utilized for the synthesis of macroline/ sarpagine related indole alkaloids and their antipodes for biological screening.

General approach for the synthesis of macroline/sarpagine related indole alkaloids via the asymmetric Pictet-Spengler reaction: The enantiospecific synthesis of the N(a)-H, azabicyclo[3.3.1]nonone template

Yu, Peng,Wang, Tao,Yu, Fuxiang,Cook, James M.

, p. 6819 - 6822 (2007/10/03)

N(a)-H, N(b)-benzyltetracyclic ketone 1a, a potential intermediate for the synthesis of numerous sarpagine-related alkaloids, has been synthesized enantiospecifically from D-(+)-tryptophan via the asymmetric Pictet-Spengler reaction.

ASYMMETRIC SYNTHESIS OF (1S)-(-)-TRYPARGINE

Shimizu, Masato,Ishikawa, Masayuki,Komoda, Yasuo,Nakajima, Terumi,Yamaguchi, Keiichi,Sakai, Shin-ichiro

, p. 3453 - 3456 (2007/10/02)

(1S)-(-)-Trypargine 8(1a) was synthesized from (1S,3R)-(-)-2-benzyl-3-(methoxycarbonyl)-1,2,3,4-tetrahydro-9H-pyridoindole-1-propionic acid (3a), prepared by the asymmetric Pictet-Spengler reaction of Nb-benzyl-(D)-tryptophan methyl este

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