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40350-82-1

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40350-82-1 Usage

Uses

1-(Tert-butoxycarbonyl)-4-hydroxy-2-pyrrolidinecarboxylic acid is used as a reactant in the preparation of (pro-?hyp-?gly)?n of defined molecular weights.

Check Digit Verification of cas no

The CAS Registry Mumber 40350-82-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,5 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40350-82:
(7*4)+(6*0)+(5*3)+(4*5)+(3*0)+(2*8)+(1*2)=81
81 % 10 = 1
So 40350-82-1 is a valid CAS Registry Number.

40350-82-1Relevant articles and documents

5-tert-butyloxycarbonyl-2-oxa-5-azabicyclo[2.2.1]heptane-1-carboxylic acid synthesis method

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Paragraph 0008, (2016/10/31)

The present invention relates to a 5-tert-butyloxycarbonyl-2-oxa-5-azabicyclo[2.2.1]heptane-1-carboxylic acid synthesis method. In the prior art, the suitable industrial synthesis method does not exist. A purpose of the present invention is mainly to solve the technical problem in the prior art. The synthesis method comprises six steps, and specifically comprises that a compound 1 and Boc anhydride react under an alkaline condition to obtain a compound 2, the compound 2 is oxidized into a compound 3 by using a 2,2,6,6-tetramethyl piperidine oxide, the compound 3 reacts with a Grignard reagent to obtain a compound 4, the carboxylic acid 4 is reduced with lithium aluminum hydride to obtain a compound 5, the compound 5 reacts with n-butyl lithium and p-tosyl chloride in two stages to obtain a compound 6, and the compound 6 is oxidized with sodium periodate to obtain a final compound 7. The reaction formula is defined in the specification.

Novel N-substituted alpha aminoacid amides as calcium channel modulators

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, (2008/06/13)

The compounds of formula I and derivatives thereof have been found to be active in tests that show modulation of voltage-dependent calcium channels, and are thus indicated for use in the treatment of diseases in which such modulation is beneficial, in par

Certain 2-carboxypiperidyl-alkylene phosphonic acids and esters thereof useful for the treatment of disorders responsive to N-methyl-D-aspartate receptor blockade

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, (2008/06/13)

The present invention is concerned with the phosphonic acids of formula I STR1 wherein one or both of the acidic hydroxy groups of the phosphonic acid moiety may be functionalized in form of pharmaceutically acceptable mono- or di- esters; wherein Y represents optionally substituted 2-carboxypyrrolidinyl, 2-carboxy-2,5-dihydropyrrolyl, 2-carboxy-1,2,3,6-tetrahydropyridinyl, 2-carboxy-1,2,5,6-tetrahydropyridinyl, 2-carboxypiperidinyl, 2-carboxytetrahydroquinolinyl or 2-carboxyperhydroquinolinyl, 2-carboxy-2,3-dihydroindolyl or 2-carboxyperhydroindolyl as described herein, and in each of which the carboxy group may be functionalized in form of a pharmaceutically acceptable ester or amide; A represents a direct bond, lower alkenylene, lower alkylidene or lower alkylene provided that A does not represent a direct bond when Y represents 2-carboxypyrrolidinyl; and pharmaceutically acceptable salts thereof; which are useful for the treatment of nervous system disorders in mammals and as antagonists of the N-methyl-D-aspartate sensitive excitatory amino acid receptor.

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