Nicotinoyl riboside compositions and methods of use
The invention relates to compositions of nicotinoyl ribosides and nicotinamide riboside derivatives and their methods of use. In some embodiments, the invention relates to methods of making nicotinoyl ribosides. In some embodiments, the invention relates to pharmaceutical compositions and nutritional supplements containing a nicotinoyl riboside. In further embodiments, the invention relates to methods of using nicotinoyl ribosides and nicotinamide riboside derivatives that promote the increase of intracellular levels of nicotinamide adenine dinucleotide (NAD+) in cells and tissues for improving cell and tissue survival.
1. A method of making a compound having Formula I:
wherein R 1 is alkyloxy or substituted alkyloxy, comprising:
i) mixing
a) tetra-acyl or substituted acyl ribofuranose and
b) a compound having formula II:
wherein R 2 is alkyloxy, substituted alkyloxy, aryloxy, substituted aryloxy, alkylthiol, substituted alkylthiol, arylthiol, substituted arylthiol, aminooxy, substituted aminooxy, N-alkylaminooxy or substituted N-alkylaminooxy, and wherein R 1 and R 2 are not the same;
under conditions such that a compound of formula III:
wherein R 3 , R 4 , and R 5 are the same or different and, at each occurrence, independently acyl or substituted acyl,
is formed; and
ii) subjecting the compound of formula III to conditions such that a compound of formula I is formed.
2. The method of claim 1 wherein R 2 is —OMe, —OEt, or —OCH 2 CH 2 OH.
3. The method of claim 1 wherein R 3 , R 4 , and R 5 are acetyl.
4. A method of making a compound comprising:
i) providing a compound of formula III:
wherein R 2 is alkyloxy, substituted alkyloxy, aryloxy, substituted aryloxy, alkylthiol, substituted alkylthiol, arylthiol, substituted arylthiol, aminooxy, substituted aminooxy, N-alkylaminooxy or substituted N-alkyl aminooxy, and
R 3 , R 4 and R 5 are the same or different and, at each occurrence, independently acyl or substituted acyl
and
ii) subjecting the compound of formula III to conditions such that a compound of formula I:
wherein R 1 is alkyloxy or substituted alkyloxy, and wherein R 1 and R 2 are not the same,
is formed.
5. The method of claim 4 wherein R 2 is —OMe, —OEt, or —OCH 2 CH 2 OH.
6. The method of claim 4 wherein said acyl is acetyl.
7. The method of claim 1 , wherein R 1 is an alkyloxy.
8. The method of claim 7 , wherein the conditions comprise mixing the compound of formula III with an alkoxide or substituted alkoxide.
9. The method of claim 4 , wherein R 1 is an alkyloxy.
10. The method of claim 9 , wherein the conditions comprise mixing the compound of formula III with an alkoxide or substituted alkoxide.
11. A method of making a compound comprising:
(i) providing a compound of formula III:
wherein R 2 is alkyloxy, substituted alkyloxy, aryloxy, substituted aryloxy, alkylthiol, substituted alkylthiol, arylthiol, substituted arylthiol, aminooxy, substituted aminooxy, N-alkylaminooxy, or substituted N-alkyl aminooxy, and R 3 , R 4 and R 5 are the same or different and, at each occurrence, independently acyl or substituted acyl,
and
(ii) subjecting the compound of formula III to ester-amide exchange by treatment with hydrazine, alkylhydrazine, substituted alkylhydrazine, hydroxylamine, O-alkyloxyamine, substituted O-alkyloxylamine, alkylamine, substituted alkylamine, dialkylamine, or substituted dialkylamine, under conditions such that a compound of formula IV:
wherein R 1 is alkylamino, substituted alkylamino, dialkylamino, substituted dialkylamino, hydroxylamino, O-alkyloxyamino, substituted O-alkyloxyamino, hydrazino, alkylhydrazino, or substituted alkylhydrazino;
is formed.
12. The method of claim 11 , further comprising a step (iii) of deprotecting the compound of Formula IV to provide a compound of Formula V:
13. The method of claim 12 , wherein the step (iii) of deprotecting is carried out by treating the compound of Formula IV with ammonia in methanol.
14. The method of claim 11 , wherein R 2 is —OPh.
15. The method of claim 11 , wherein R 3 , R 4 , and R 5 are acetyl.
16. The method of claim 11 , wherein R 1 is —NHMe, —NHEt, —NHCH 2 CH 2 OH, —NHCH 2 CH═CH 2 , —NHCH(CH 3 ) 2 , —NHCH 2 CH 2 NH 2 , or —NHcyclopropyl.
17. The method of claim 11 , wherein R 1 is —N(CH 3 ) 2 .
18. A method of making a compound having Formula IV:
wherein R 1 is amino, alkylamine, substituted alkylamino, dialkylamino, substituted dialkylamino, hydroxylamino, O-alkyloxyamino, substituted O-alkyloxyamino, hydrazino, alkylhydrazino, or substituted alkylhydrazino, which method comprises:
(i) mixing
(a) tetra-acyl or substituted acyl ribofuranose and
(b) a compound having formula II:
wherein R 2 is alkyloxy, substituted alkyloxy, aryloxy, substituted aryloxy, alkylthiol, substituted alkylthiol, arylthiol, substituted arylthiol, aminooxy, substituted aminooxy, N-alkylaminooxy or substituted N-alkylaminooxy;
under conditions such that a compound of formula III:
wherein R 3 , R 4 , and R 5 are the same or different and, at each occurrence, independently acyl or substituted acyl,
is formed; and
(ii) subjecting the compound of formula III to ester-amide exchange by treatment with hydrazine, alkylhydrazine, substituted alkylhydrazine, hydroxylamine, O-alkyloxyamine, substituted O-alkyloxylamine, N-alkylaminohydroxide, substituted N-alkylaminohydroxide, alkylamine, substituted alkylamine, dialkylamine, or substituted dialkylamine under conditions such that a compound of formula IV is formed.
19. The method of claim 18 , wherein R 2 is —OPh.
20. The method of claim 18 , wherein R 3 , R 4 , and R 5 are acetyl.
21. The method of claim 18 , wherein R 1 is —NHMe, —NHEt, —NHCH 2 CH 2 OH, —NHCH 2 CH═CH 2 , —NHCH(CH 3 ) 2 , —NHCH 2 CH 2 NH 2 , or —NHcyclopropyl.
22. The method of claim 18 , wherein R 1 is —N(CH 3 ) 2 .
23. The method of claim 18 , further comprising a step (iii) of deprotecting the compound of Formula IV to provide a compound of Formula V:
24. The method of claim 23 , wherein the step (iii) of deprotecting is carried out by treating the compound of Formula IV with ammonia in methanol.
25. A method of making a compound comprising:
(i) providing a compound of formula III:
wherein R 2 is alkyloxy, substituted alkyloxy, aryloxy, substituted aryloxy, alkylthiol, substituted alkylthiol, arylthiol, substituted arylthiol, aminooxy, substituted aminooxy, N-alkylaminooxy or substituted N-alkyl aminooxy, and
R 3 , R 4 and R 5 are the same or different and, at each occurrence, independently acyl or substituted acyl,
and
(ii) subjecting the compound of formula III to ester-amide exchange and deprotection by treatment with ammonia under conditions such that a compound of formula V:
wherein R 1 is amino, is formed.