nBu4NI-catalyzed cross-coupling of benzyl and allylic compounds with N-hydroxyphthalimide for the synthesis of alkyloxyamines were realized for the first time.
Rhodium(<scp>iii</scp>)-catalyzed directed amidation of unactivated C(sp<sup>3</sup>)–H bonds to afford 1,2-amino alcohol derivatives
作者:Yi Dong、Jiajing Chen、Heng Xu
DOI:10.1039/c8cc05637d
日期:——
A rhodium-catalyzed directed C(sp3)–H amidation to afford 1,2-amino alcohol oxime derivatives has been developed with good yields and a broad substrate scope. In previous methods for this type of reaction, 1-arylethan-1-ol oxime analogues were challenging substrates owing to strong competition fromC(sp2)–H bondactivation. This Rh-catalyzed C–H activation method overcomes the limitation of competitive
Compounds having the formula
1
are methionine aminopeptidase type 2 (MetAP2) inhibitors and are useful for inhibiting angiogenesis. Also disclosed are MetAP2-inhibiting compositions and methods of inhibiting angiogenesis in a mammal.
Direct Transformation of directing group to important synthetic units would provide a high atom efficiency synthetic approach in synthetic chemistry. Herein, a convenient protocol in synthesis of o-aminobenzaldehyde and benzoxazole...
O, N-substituierte Hydroxylamine. 2. Mitteilung. Synthese und Eigenschaften der O-(Phenylakyl)-hydroxylamine (Untersuchungen über synthetische Arzneimitteln II)
作者:Bruno J. R. Nicolaus、Giuseppe Pagani、Emilio Testa
DOI:10.1002/hlca.19620450502
日期:——
Es wird über Synthese, chemische und physikalisch-chemische Eigenschaftenvon O-(Phenylalkyl)-hydroxylaminen berichtet. Die Hydrochloride derjenigen Basen, in welchen die Hydroxylamingruppierung und der Phenylkern durch zwei C-Atome getrennt sind, sind merkwürdigerweise unbeständig und lagern sich spontan bei Zimmertemperatur zu einem Ammoniumsalz und stickstoffreien Verbindungen um. Letztere wurden
Es wirdüber合成,化学与物理化学化学反应,合成O-(苯基烷基)-羟胺胺。盐酸氢硼酸甘油酯,位于羟基苯并二苯并二恶英,C-Atome得到了保护,氢已被氨化,氨氮磷铵。Letztere wurden zum Teil气相色谱法和鉴定方法。分子式:A-(1-甲基-2-苯基-乙基)-羟基lamin-盐酸盐:氯化铵,丙苯酮(72%)和甲基苄基酮(28%)。O-(2-苯基-乙基)-羟基lamin-盐酸盐:氯化铵和2,5-二苯基-1,4-二恶烷;O-(1-甲基-2-苯基-乙基)-N-甲基-羟基lamin-盐酸盐:甲胺盐酸盐,丙炔酮(59.4%)和甲基-苄基酮(40.6%);