Salts containing different amino acids: Salts with β-alaninium L-proline dimeric cation

Tonoyan, G.S.; Giester, Gerald; Petrosyan, A.M.

doi:10.1016/j.molstruc.2021.132171

Cited by 7 publications

(4 citation statements)

References 27 publications

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“…Nevertheless, we found new crystals of glycine and sarcosine, (GlyH)(HSO 4 ), (SarH)(HSO 4 ), (SarH) 2 SO 4 •H 2 O as well as a new monoclinic form (space group C2/c) of anhydrous (SarH) 2 SO 4 [22]. In attempt to synthesize (β- 4 we got a new form of (β-AlaH) 2 SO 4 (to be published separately).…”

Section: [A(1)h][a(2)h]y A(1)h[a(2)h•••a(2)]y A(1)h[a(1)h•••a(2)]y An...mentioning

confidence: 99%

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Salts containing different amino acids: four types of salts with the sulfate anion

2023

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In the present paper we report crystal structures of four types ([A(1)mixed salts containing the sulfate anion (Y = SO 4 2− ) and amino acids A, i.e. sarcosine (Sar), dimethylglycine (DMG), betaine (Bet), β-alanine (β-Ala) and l-proline (l-Pro): (β-AlaH) (DMGH)SO 4 •2H 2 O (I), (β-AlaH)(BetH)SO 4 (II), (β-AlaH)(l-ProH)SO 4 (III), (BetH)(l-ProH)SO 4 (IV), (SarH) 3 (l-ProH) (SO 4 ) 2 (V), (β-AlaH)(l-ProH•••l-Pro)SO 4 (VI), and (β-AlaH)(β-AlaH•••DMG)SO 4 (VII). The O⋅⋅⋅O distances in dimeric cations (l-ProH•••l-Pro) and (β-AlaH•••DMG) are 2.450(3) and 2.5295(12) Å in (VI) and (VII), respectively. Crystal structure determinations of (β-AlaH)(BetH)SO 4 (II) at 100K (P2 1 /n), 200K (Pnma), 250K (Pnma) and room temperature (Pnma) revealed a structural phase transition in the interval between 100K and 200K.

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Section: [A(1)h][a(2)h]y A(1)h[a(2)h•••a(2)]y A(1)h[a(1)h•••a(2)]y An...mentioning

confidence: 99%

“…The majority belongs to simple ones; those with dimeric cations of diverse types also are known, as well as mixed salts with different anions [1]. Recently, we discovered a new class of salts containing different amino acids [2,3,4]. Particularly, we showed the existence of four types of salts i.e.…”

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confidence: 99%

Salts containing different amino acids: four types of salts with the sulfate anion

2023

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“…Salts of mixed amino acids were not known previously [1] until recently a new class of amino acids salts containing different amino acids [2][3][4] was discovered. In the present paper we report the crystal structure determination of three representatives containing singly protonated l-arginine (l-ArgH), zwitterionic sarcosine (Sar) and halogenides anions (Cl, Br, I).…”

Section: Introductionmentioning

confidence: 99%

Salts containing different amino acids: l-argininium ( +) sarcosine halogenides

Tonoyan,

Giester,

Petrosyan

2023

Struct Chem

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Recently we have discovered a new class of amino acids salts containing different amino acids. In the present paper we report crystal structures of three isostructural salts: l-argininium(+) sarcosine chloride (I), l-argininium(+) sarcosine bromide (II) and l-argininium(+) sarcosine iodide (III), formed by slow evaporation at room temperature from aqueous solutions containing stoichiometric ratios of components. The compounds crystallize in the polar space group P2 1 with two formula units in the asymmetric unit. The structures are stabilized due to N-H•••O and N-H•••X (X = Cl, Br, I) hydrogen bonds. Infrared spectra of all three crystals are shown and discussed.

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Section: Introductionmentioning

confidence: 99%

Salts containing different amino acids: four types of salts with the sulfate anion

Petrosyan¹,

Giester

Tonoyan³

2022

Preprint

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In the present paper we report crystal structures of four types ([A(1)H][A(2)H]Y, [A(1)H]3[A(2)H]Y2, A(1)H[A(2)H···A(2)]Y and A(1)H[A(1)H···A(2)]Y) of mixed salts containing the sulfate anion (Y = SO42−) and amino acids A, i.e. sarcosine (Sar), dimethylglycine (DMG), betaine (Bet), β-alanine (β-Ala) and l-proline (l-Pro): (β-AlaH)(DMGH)SO4·2H2O (I), (β-AlaH)(BetH)SO4 (II), (β-AlaH)(l-ProH)SO4 (III), (BetH)(l-ProH)SO4 (IV), (SarH)3(l-ProH)(SO4)2 (V), (β-AlaH)(l-ProH···l-Pro)SO4 (VI), and (β-AlaH)(β-AlaH···DMG)SO4 (VII). The O⋅⋅⋅O distances in dimeric cations (l-ProH···l-Pro) and (β-AlaH···DMG) are 2.450(3) and 2.5295(12) Å in (VI) and (VII), respectively. Crystal structure determinations of (β-AlaH)(BetH)SO4 (II) at 100K (P21/n), 200K (Pnma), 250K (Pnma) and room temperature (Pnma) revealed a structural phase transition in the interval between 100K and 200K.

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Salts containing different amino acids: Salts with β-alaninium L-proline dimeric cation

Cited by 7 publications

References 27 publications

Salts containing different amino acids: four types of salts with the sulfate anion

Salts containing different amino acids: four types of salts with the sulfate anion

Salts containing different amino acids: l-argininium ( +) sarcosine halogenides

Salts containing different amino acids: four types of salts with the sulfate anion

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