Detail of "2130-96-3"

CAS Number:
2130-96-3
Name:
Boc-O-benzyl-L-tyrosine
Molecular Structure:
Formula:
C₂₁H₂₅NO₅
Molecular Weight:
371.43
Deleted CAS:
54784-43-9
Synonyms:
O-Benzyl-N-((tert-butoxy)carbonyl)-L-tyrosine;(2S)-3-(4-phenylmethoxyphenyl)-2-(tert-butoxycarbonylamino)propanoate;3-(4-phenylmethoxyphenyl)-2-(tert-butoxycarbonylamino)propanoic acid;BOC-L-Tyr(Bzl)-OH;O-benzyl-N-[(tert-butoxy)carbonyl]-L-tyrosine;
EINECS:
218-349-4
Density:
1.185 g/cm³
Melting Point:
110-112 °C
Boiling Point:
552.4 °C at 760 mmHg
Flash Point:
287.9 °C
Solubility:
Insoluble in water and petroleum ether
Appearance:
White crystalline powder
Safety:
22-24/25 Details
particular:
particular

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Reference

Fourier transform IR studies of the self-association of N-tert-butoxycarbonyl-a-amino acids: Fourier transform IR studies of the self-association of N-tert-butoxycarbonyl-a-amino acids. De Wael, Kris; Zeegers-Huyskens, Therese (Department Chemistry, University Leuven, Heverlee B-3001, Belg.). Biopolymers, 41(2), 205-212 (English) 1997 Wiley. CODEN: BIPMAA. ISSN: 0006-3525. DOCUMENT TYPE: Journal CA Section: 34 (Amino Acids, Peptides, and Proteins) Section cross-reference(s): 22 The self-assocn. of several N-urethanyl-L-amino acids [Boc-Gly-OH, Boc-L-Ala-OH, Boc-L-Met-OH, Boc-L-Tyr(Bzl)-OH; Boc = Me3CO2C; Bzl = benzyl] was investigated in CCl4 by Fourier transform (FTIR) spectrometry. The fractions of nonbonded OH and NH groups have been detd. from the intensities of the free OH and NH-stretching vibrations. The FTIR spectra have been examd. in the carbonyl stretching regions by using Fourier self-deconvolution techniques. The results show that intermol. hydrogen bonds are formed between the carboxylic acid group of one mol. and the urethane group of another mol., suggesting that the leading factor for the self-assocn.There are some commonly used reagents with their cas registry numbers 2130-96-3 and 2488-15-5 in this article. of Boc amino acids is the acidity of the OH groups. In Boc-Gly-OH, more heterodimers are formed than in the other amino acids. In Boc-L-Tyr(Bzl)-OH, where the steric hindrance of the substituent implanted on the Ca atom is higher, the concn. of homodimers and heterodimers is lower than in Boc-L-Ala-OH or Boc-L-Met-OH. .

Ribonuclease T1 peptides: Ribonuclease T1 peptides. Part VI. Synthesis of protected polypeptides with the sequences of ribonuclease T1 and its analog, [59-tyrosine]ribonuclease T1, on a solid support. Waki, Michinori; Mitsuyasu, Nobuo; Terada, Shigeyuki; Matsuura, Shuji; Kato, Tetsuo; Izumiya, Nobuo (Fac. Sci., Kyushu Univ., Fukuoka 812, Japan). Mem. Fac. Sci., Kyushu Univ., Ser. C, 14(1), 127-42 (English) 1983. CODEN: MFKCAL. ISSN: 0085-2635. DOCUMENT TYPE: Journal CA Section: 34 (Amino Acids, Peptides, and Proteins) Resin-bound fully-protected title proteins were prepd. by the stepwise solid-phase method using tert-butoxycarbonyl (Boc) amino acids. Throughout the synthesis, the Boc-deprotection steps were monitored by the Volhard titrn. of the liberated Cl-. 13139-14-5 and 2130-96-3 are just another two chemicals used in this study. The above fully-protected polypeptidyl resins were deblocked by HCl/HOAc to give the corresponding partially protected polypeptidyl resins in 49-54% yields. .

Detail of "2130-96-3"

Boc-O-benzyl-L-tyrosine

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CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

CAS No.2130-96-3 Boc-O-benzyl-L-tyrosine

Reference