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Showing 1 to 6 of 6 entries
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To stay as allene or go further? Synthesis of novel phosphono-heterocycles and polycyclics via propargyl alcohols.

Chemical communications (Cambridge, England)

Srinivas V, Sajna KV, Swamy KC.
PMID: 21483904
Chem Commun (Camb). 2011 May 21;47(19):5629-31. doi: 10.1039/c1cc10230c. Epub 2011 Apr 11.

The reaction of aryl-substituted propargyl alcohols possessing o-nitro and o-alkylidene groups with (RO)(2)PCl afford novel phosphono(tetrahydro)dibenzazepines, N-hydroxyindolinones or polycyclics (including one with three fused four-membered rings).

Photoinduced intramolecular carbosulfonylation of alkynes: access to sulfone-containing dibenzazepines from sulfur dioxide.

Chemical communications (Cambridge, England)

Yao Y, Yin Z, He FS, Qin X, Xie W, Wu J.
PMID: 33606854
Chem Commun (Camb). 2021 Mar 18;57(23):2883-2886. doi: 10.1039/d0cc07927h.

A photoinduced three-component reaction of N-benzyl-N-(2-ethynylaryl)amides, sulfur dioxide and aryldiazonium tetrafluoroborates is developed, providing an efficient and straightforward approach for the synthesis of diverse vinylsulfonylated dibenzazepine derivatives in moderate to good yields under mild conditions. This transformation proceeds smoothly...

Substituent-dependent reactivity in the photodimerization of N-substituted dibenz[b,f]azepines.

Chemistry (Weinheim an der Bergstrasse, Germany)

Querner J, Wolff T, Görner H.
PMID: 14695574
Chemistry. 2004 Jan 05;10(1):283-93. doi: 10.1002/chem.200305199.

The photoprocesses of a series of N-substituted dibenz[b,f]azepines (iminostilbenes) were studied by absorption and emission spectroscopy, by laser flash photolysis, and by preparative irradiation with NMR analysis. In solutions, 2pi+2pi photodimers of N-cyano and N-acyl dibenzazepines are formed via...

Unlocking the direct photocatalytic difluoromethylation of C[double bond, length as m-dash]N bonds.

Chemical communications (Cambridge, England)

Garrido-Castro AF, Gini A, Maestro MC, Alemán J.
PMID: 32129433
Chem Commun (Camb). 2020 Mar 31;56(26):3769-3772. doi: 10.1039/d0cc01353f.

The current study presents a direct CF2H radical addition to C[double bond, length as m-dash]N bonds predicated on the photocatalytic activation of commercially available zinc difluoromethanesulfinate. The mild conditions in place lead to impressive structural diversity, as quinoxalinones and...

Spectrophotometric determination of some dibenzazepines with picryl chloride.

Talanta

Hussein SA, Mohamed AM, Hassan HY.
PMID: 18964881
Talanta. 1989 Nov;36(11):1147-9. doi: 10.1016/0039-9140(89)80017-7.

A simple and sensitive spectrophotometric method has been developed for the determination of some dibenzazepines, based on reaction with picryl chloride in chloroform medium and measurement at 395 nm. Beer's law is obeyed in concentration ranges 0.1-1.0 microg/ml for...

Metal-Free Visible-Light-Induced Construction of Difluoro-Containing Dibenzazepines.

Organic letters

Liu D, Jiao MJ, Wang XZ, Xu PF.
PMID: 31188615
Org Lett. 2019 Jun 21;21(12):4745-4749. doi: 10.1021/acs.orglett.9b01629. Epub 2019 Jun 12.

A metal-free photocatalytic protocol for efficient construction of difluoro-containing dibenzazepines is developed. The transformation is redox-neutral and environmentally benign, has a wide range of substrate scope, proceeds at room temperature under irradiation of visible light, and furnishes dibenzazepine derivatives...

Showing 1 to 6 of 6 entries