Detail of "13726-85-7"

CAS Number:
13726-85-7
Name:
L-Glutamine,N2-[(1,1-dimethylethoxy)carbonyl]-
Superlist Name:
Boc-L-Glutamine
Molecular Structure:
Formula:
C₁₀H₁₈N₂O₅
Molecular Weight:
246.26
Deleted CAS:
2483-14-9
Synonyms:
BOC-Glycine;Glutamine,N2-carboxy-, N-tert-butyl ester (7CI);Glutamine, N2-carboxy-, N2-tert-butylester, L- (8CI);(S)-2-[(tert-Butoxycarbonyl)amino]-4-carbamoylbutanoic acid;BOC-glutamine;N-(tert-Butoxycarbonyl)-L-glutamine;N2-tert-Butoxycarbonyl-L-glutamine;NSC334370;Na-(tert-Butoxycarbonyl)glutamine;tert-Butoxycarbonyl-L-glutamine;
EINECS:
237-296-8
Density:
1.22 g/cm³
Melting Point:
113-116 °C (dec.)
Boiling Point:
509.1 °C at 760 mmHg
Flash Point:
261.7 °C
Appearance:
White fine crystalline powder
Safety:
22-24/25 Details

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b-Endorphin analogs: b-Endorphin analogs. Haoli, Choh (University of California, USA). U.S. US 4422968 A 27 Dec 1983, 3 pp. (English). (United States of America). CODEN: USXXAM. 60617-12-1 and 13726-85-7 which are cas registry numbers are also used here. CLASS: IC: C07C103-52. NCL: 260112500E. APPLICATION: US 82-416998 13 Sep 1982. DOCUMENT TYPE: Patent CA Section: 34 (Amino Acids, Peptides, and Proteins) Section cross-reference(s): 1 [D-Ala2, Phe3, Gly4, Tyr5, Pro6]-bc-endorphin (I) was prepd. by the solid-phase method. The analgesic potency of I was greater than that of camel b-endorphin in the mouse tail-flick assay. .

The synthesis of a pentapeptide fragment of substance P on Sephadex LH-20 and in solution: The synthesis of a pentapeptide fragment of substance P on Sephadex LH-20 and in solution. Orlowska, Alicja; Bankowski, Krzysztof; Drabarek, Stefania (Inst. Fundam. Problems Chem., Univ. Warsaw, Warsaw, Pol.). Rocz. Chem., 50(10), 1701-7 (English) 1976. CODEN: ROCHAC. DOCUMENT TYPE: Journal CA Section: 34 (Synthesis of Amino Acids, Peptides, and Proteins) PhCH2O2C-Glu-Glu-Phe-Phe-Gly-OH (I), the protected 5-9 sequence of substance P, was prepd. by the solid-phase method on a Sephadex LH-20 insol. support in 45% yield, by the o-nitrophenyl active ester method, and by the dicyclohexylcarbodiimide-N-hydroxybenzotriazole method. The synthesis on Sephadex LH-20 was the most effective, although coupling reactions were not always quant. The main problems with this variant of the solid-phase method are the difficulties in removing the peptide from the support. Contrary to the Merrifield resin, no drastic acidic conditions can be used (e.g., HBr-HOAc, HF) due to the instability of Sephadex LH-20. In the above example, I was cleaved by sapon. with 0. 13726-85-7 and 62307-56-6 are just another two chemicals used in this study.1N methanolic NaOH. .