Detail of "1950-68-1"

CAS Number:
1950-68-1
Name:
Benzenesulfonic acid,4-methoxy-, hydrazide
Molecular Structure:
Formula:
C₇H₁₀N₂O₃S
Molecular Weight:
202.23
Synonyms:
Benzenesulfonicacid, p-methoxy-, hydrazide (6CI,7CI,8CI);((4-Methoxyphenyl)sulfonyl)hydrazine;(4-Methoxybenzenesulfonyl)hydrazine;(p-Methoxybenzenesulfonyl)hydrazine;(p-Methoxyphenylsulfonyl)hydrazine;4-Methoxybenzenesulfonic acid hydrazide;4-Methoxybenzenesulfonylhydrazide;NSC267215;p-Methoxybenzenesulfonic acid hydrazide;p-Methoxybenzenesulfonichydrazide;p-Methoxybenzenesulfonyl hydrazide;p-Methoxyphenylsulfonylhydrazide;
EINECS:
217-769-5
Density:
1.337 g/cm³
Melting Point:
111-114 °C(lit.)
Boiling Point:
369.4 °C at 760 mmHg
Flash Point:
177.2 °C
Appearance:
White Solid
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-36 Details

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Novel parallel synthesis of N-(4-oxo-2-substituted-4H-quinazolin-3-yl)-substituted sulfonamides: Novel parallel synthesis of N-(4-oxo-2-substituted-4H-quinazolin-3-yl)-substituted sulfonamides. Zhou, Yuefen; Murphy, Douglas E.; Sun, Zhongxiang; Gregor, Vlad E. ( Department of Medicinal Chemistry, Anadys Pharmaceuticals Inc., San Diego, CA 92121, USA). Tetrahedron Letters, 45(43), 8049-8051 (English) 2004 Elsevier B.V. CODEN: TELEAY. ISSN: 0040-4039. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) A general method was developed to synthesize a class of N-(4-oxo-2-substituted-4H-quinazolin-3-yl)-substituted sulfonamides I (R2 = PhCH2, PhCH2CH2, 2-thiophenemethylene, R3 = 4-HO2CC6H4, 2-ClC6H4, 4-Me3CC6H4, etc.) in moderate to good yield by reacting benzoxazines II with R3SO2NHNH2 by melting the compds. together at 130°C for 30 min. This new method can be applied in both single compd. There are some commonly used reagents like 1950-68-1 in this article. and parallel synthesis. About 90 compds. with a variety of substituents were synthesized using this method in a parallel fashion. .