Intermediates

Flamma's intermediates are shown below.

Please note that this is a representative sample of materials that are made at Flamma. If you have a compound not shown below or a similar compound, feel free to contact us as there is an excellent chance we have made the compound over our 60+ year history.

A recent example of this was a customer's need for ultra-high purity Moc-L-valine (CAS#74761-42-5). Flamma delivered this material meeting the very tight specifications set forth by the customer and is now the preferred supplier.

Boc-intermediates

Alternative compound names

CAS

Boc-L-Asparagine

Boc-Asn-OH

7536-55-2

Boc-Β-Alanine

Boc-Β-Ala-OH; Boc-beta-alanine

3303-84-2

Boc-cis-4-Methoxy-D-proline

Cis-Boc-4-Methoxy-D-proline

200184-87-8

Boc-S-Benzyl-L-cysteine

Boc-Cys(Bzl)-OH; BOC-Cys(Bzl)

5068-28-0

N-Boc-cis-4-hydroxy-D-proline

Boc-D-4-Hyp-OH (cis); (2R,4R)-N-Boc-4-hydroxy-2-pyrrolidinecarboxylic acid

135042-12-5

Boc-L-Glutamic acid 5-benzylester

Boc-Glu(OBzl)-OH; 5-Benzyl N-Boc-L-Glutamate

13574-13-5

Boc-Glycine

Boc-Gly-OH; Boc-Aminoxyacetic acid

4530-20-5

Boc-L-bis(4-fluorophenyl)alanine

N-{[(1,1-Dimethylethyl)oxy]carbonyl}-4-Fluoro-Beta-(4-Fluorophenyl)-L-Phenylalanine

481055-29-2

Boc-L-Prolinol

(S)-(-)-1-Boc-2-pyrrolidinemethanol

69610-40-8

Boc-L-Methionin

Boc-Met-OH; Boc-Met

2488-15-5

(S)-N-Boc-3-piperidinol

 (S)-1-Boc-3-hydroxypiperidine

143900-44-1

(R)-N-Boc-3-piperidinol

 (R)-1-Boc-3-Hydroxypiperidine 143900-43-0

Boc-L-Pyroglutamic acid benzyl ester 

Boc-pGlu-OBzl

113400-36-5

Boc-L-Proline

Boc-Pro-OH

15761-39-4

Boc-L-Tyrosine

Boc-Tyr-OH; Boc-L-Phe(4-OH)-OH

3978-80-1

Boc-Vinyl-ACCA-OH

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

159622-10-3

H-Vinyl-ACCA-OEt.Tosylate

(1R,2S) H-Vinyl-ACCA-ethyl ester tosylate salt

1159609-95-6

 

 

 

Fmoc-intermediates

 

CAS

Fmoc-Ala-OH.H2O

Fmoc-L-alpha-Alanine; N-[(9H-fluoren-9-ylmethoxy)carbonyl]- L-Alanine

35661-39-3

Fmoc-Asn(Trt)-OH

Fmoc-N-trityl-L-asparagine; N-(9-fluorenylmethyloxycarbonyl)-N-trityl-L-asparagine

132388-59-1

Fmoc-Asp(OtBu)-OH

Fmoc-L-Aspartic acid beta-tert-butyl ester; 2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxo-4-tert-butoxy-butanoic acid

71989-14-5

Fmoc-Cys(Trt)-OH

Fmoc-S-trityl-L-cysteine; 2-[[(9H-Fluoren-9- ylmethoxycarbonylamino]-3-(Tritylthio) propanoic acid

103213-32-7

Fmoc-Gln(Trt)-OH

N-alpha-Fmoc-N-delta-Trityl-L-glutamine;

132327-80-1

Fmoc-Gln-OH

N-Fmoc-L-Glutamine; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-glutamine

71989-20-3

Fmoc-Glu(OtBu)-OH.H2O

N-Fmoc-L-Glutamine t-butyl ester monohydrate; N-alpha-(9-Fluorenylmethyloxycarbonyl)-L-glutamic-acid-gamma-t-butyl ester monohydrate

204251-24-1

Fmoc-Gly-OH

Fmoc-Glycine; N-(9-Fluorenylmethoxy-carbonyl)glycine

29022-11-5

Fmoc-His(Trt)-OH

N-Fmoc-N'-trityl-L-histidine; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-1-(triphenylmethyl)-L-Histidine

109425-51-6

Fmoc-Ile-OH

Fmoc-L-Isoleucine; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-1-(triphenylmethyl)-L-isoleucine

71989-23-6

Fmoc-Leu-OH

Fmoc-L-Leucine; N-(9-Fluorenyl-methoxycarbonyl)-L-leucine

35661-60-0

Fmoc-Lys(Boc)-OH

N-Fmoc-N'-Boc-L-Lysine; 2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-(tert-butoxycarbonylamino)hexanoic acid

71989-26-9

Fmoc-Met-OH

Fmoc-L-Methionine;N-[(9H-fluoren-9-ylmethoxy)carbonyl]- L-Methionine

 

71989-28-1

Fmoc-Phe-OH

Fmoc-L-Phenylalanine; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-Phenylalanine

35661-40-6

Fmoc-Pro-OH

Fmoc-L-Proline; N-(9-Fluorenyl-methoxycarbonyl)-L-proline

71989-31-6

Fmoc-Pro-Pro-OH

Fmoc-Prolinyl-proline; 1-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-prolyl-L-Proline

129223-22-9

Fmoc-Val-OH

Fmoc-L-Valine; N-((9H-Fluoren-9-ylmethoxy)carbonyl)-L-valine

68858-20-8

 

 

 

Various other intermediates

 

CAS

(2S,3S)-3-Amino-2-hydroxy-4-phenyl-butyric acid

(2S,3S)-H-APNS-OH

62023-62-5

2-(5-Methyl-2-Phenyloxazolyl)Ethanol

2-(5-Methyl-2-phenyl-1,3-oxazol-4-yl)ethan-1-ol

103788-65-4

2-(5-Methyl-2-Phenyloxazolyl)ethyl methanesulfonate

2-(5-Methyyl-2-phenyl-1,3-oxazol-4-yl)ethyl methanesulfonate

227029-27-8

 

 

 

Ac-Val-OH

N-Acetyl-L-valine

96-81-1

H-Asn-OH anhydrous

L-Asparagine, anhydrous

70-47-3

H-Asn-OH.H2O

L-Asparagine, monohydrate

5794-13-8

 

 

 

H-Cys(Bzl)-OH

S-Benzyl-L-cysteine

3054-01-1

H-Cys(Trt)-OH

S-Trityl-L-cysteine;

S-(Triphenylmethyl)-L-cysteine

2799-07-7

 

 

 

Pht-Glu(OBzl)-OH

5-Benzyl (S)-2-phthalimidoglutarate; Pentanedioic acid,2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, 5-(phenylmethyl) ester, (2S)-

88784-33-2

H-Glu(OBzl)-OH

gamma-Benzyl L-glutamate;

L-Glutamicacid, 5-(phenylmethyl) ester

1676-73-9

H-Glu(OEt)-OEt.HCl

L-Glutamic acid diethyl ester hydrochloride; Diethyl L-glutamate hydrochloride

1118-89-4

 

 

 

H-Gly-OBzl.p-tosylate

Benzyl glycinate p-toluenesulfonate

 

1738-76-7

N-(Diphenylmethylene)glycine ethylester

Ethyl N-(diphenylmethylene)glycinate

69555-14-2

 

 

 

H-His(Trt)-OH.2HCl            (N'-Trityl-L-histidine.2HCl)

N'-Trityl-L-histidine.2HCl

32946-53-5

 

 

 

H-4-Hyp-OH (cis)

cis-4-Hydroxy-L-proline

618-27-9

H-D-4-Hyp-OH (cis)

cis-4-Hydroxy-D-proline

2584-71-6

H-L-Hyp-N(Me)2

L-Hydroxyproline Dimethylamine hydrochloride

347888-57-7

 

 

 

H-Leu-OBzl.p-tosylate                                              

L-Leucine benzyl ester p-toluenesulfonate salt; O-Benzyl-L-leucine toluene-p-sulphonate

1738-77-8   

Formyl-L-Leucine

N-Formyl-L-leucine

6113-61-7

 

 

 

H-Lys(Boc)-OH                     

Ne-Boc-L-lysine

2418-95-3

H-Lys(Z)-OH                        

N6-Cbz-L-Lysine

1155-64-2

 

 

 

H-Phe-OMe.HCl                                    

L-Phenylalanine methyl ester hydrochloride;

Methyl L-phenylalaninate hydrochloride

7524-50-7

H-Pro-NH2  

L-Prolinamide

7531-52-4

H-Pro-OBzl.HCl

L-Proline benzyl ester hydrochloride;

(S)-Pyrrolidine-2-carboxylic acid benzyl ester hydrochloride

16652-71-4

 

 

 

H-DL-Ser-OMe.HCl

Methyl-DL-serine hydrochloride

5619-04-5

H-SerOMe.HCL  

L-Serine methyl ester hydrochloride

5680-80-8

 

 

 

H-Vinyl-ACCA-OMe.Tosylate

(1R,2S) H-Vinyl-ACCA-methyl ester tosylate salt ; (1R,2S)-Methyl 1-amino-2-vinylcyclopropanecarboxylate 4-methylbenzenesulfonate

 862273-27-6

H-Vinyl-ACCA-OEt.Tosylate

(1R,2S) H-Vinyl-ACCA-ethyl ester tosylate salt; (1R,2S)-Ethyl 1-amino-2-vinylcyclopropanecarboxylate 4-methylbenzenesulfonate

1159609-95-6

 

 

 

L-Valinol

(S)-(+)-2-Amino-3-methyl-1-butanol;

(2S)-2-amino-3-methyl-butan-1-ol

 

2026-48-4

Moc-Valine

N-(methoxycarbonyl)-L-valine; Moc-Val-OH

74761-42-5

 

 

 

Thiazolidine carboxylic acid

L-Thioproline;

L(-)-Thiazolidine-4-carboxylic acid

34592-47-7

     
L- Alanine, N- [(S) - (2, 3, 4, 5, 6- pentafluorophenoxy) phenoxyphosphinyl] - , 1- methylethyl ester

L- Alanine, N- [(S) - (2, 3, 4, 5, 6- pentafluorophenoxy) phenoxyphosphinyl] - , 1- methylethyl ester

1334513-02-8
Potassium (6S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylate

Potassium (6S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylate

1441673-92-2
 

 

 

Cbz-intermediates

 

CAS

Z-4-Hyp-OH(cis)

Cbz-Hydroxy-L-proline;

(2S,4R)-1-(Benzyloxycarbonyl)-4-hydroxyproline

13504-85-3

Z-Ala-OH                    

Cbz-L-alanine;

N-Benzyloxycarbonyl-L-alanine

1142-20-7

Z-Asp(OtBu)-OH.DCHA

4-tert-Butyl hydrogen N-((benzyloxy)carbonyl)-L-aspartate, dicyclohexylamine salt

23632-70-4

Z-Asp(OtBu)-OH.H2O                                          

Cbz-L-Aspartic acid 4-tert-butyl ester;

N-Benzyloxycarbonyl-L-aspartic acid 4-tert-butyl ester

5545-52-8

Z-Gln-OH       

Cbz-L-Glutamine;

N-Carbobenzyloxy-L-glutamine

2650-64-8

Z-Glu(OtBu)-OH.DCHA                                         

Cbz-L-Glutamic acid a-t-butyl ester, dicyclohexylamine salt

34897-61-5

Z-Lys(Boc)-OH

N-Cbz-N'-Boc-L-lysine;

N6-[(1,1-dimethylethoxy)carbonyl]-N2-[(phenylmethoxy)carbonyl]- L-Lysine

 

2389-60-8

Z-pGlu-OH

Cbz-L-pyroglutamic acid;

(S)-1-(Benzyloxycarbonyl)-5-oxopyrrolidine-2-carboxylic acid

 

32159-21-0

Z-Ser-OH  

Cbz-L-Serine;

N-[(Phenylmethoxy)carbonyl]-L-serine

1145-80-8

Z-Trp-OH  

Cbz-L-Tryptophan;

N-[(phenylmethoxy)carbonyl]-L-Tryptophan

7432-21-5

Z-Tyr-OH  

Cbz-L-Tyrosine;

N-Benzyloxycarbonyl-L-tyrosine

1164-16-5

 

 

 

Revised Oct. 2018

 

 
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