A new class of organogelators based on triphenylmethyl derivatives of primary alcohols: Hydrophobic interactions alone can mediate gelation
In the present work, we have explored the use of the triphenylmethyl group, a commonly used protecting group for primary alcohols as a gelling structural component in the design of molecular gelators. We synthesized a small library of triphenylmethyl deri
Singh, Wangkhem P.,Singh, Rajkumar S.
supporting information
p. 138 - 149
(2017/02/15)
Indium-mediated cleavage of the trityl group from protected alcohols and diols
The reaction of primary, secondary, allylic and benzylic trityl ethers with indium powder in MeOH/NH4Cl led to reductive cleavage of the trityl-oxygen bond, affording the corresponding alcohols in good to excellent yield under very mild reaction conditions. The detritylation process could successfully be extended to mono and detritylated diols. This methodology represents a new and efficient detritylation procedure under mild reaction conditions.
Behloul, Cherif,Chouti, Aicha,Guijarro, David,Foubelo, Francisco,Nájera, Carmen,Yus, Miguel
p. 7937 - 7941
(2016/11/19)
Detritylation Procedure under Non-Acidic Conditions: Naphthalene Catalysed Reductive Cleavage of Trityl Ethers
The reaction of primary, secondary, allylic and benzylic trityl ethers 1 with lithium powder and a catalytic amount of naphthalene led to reductive cleavage of the trityl-oxygen bond, affording the corresponding alcohols 2 in good to excellent yields under very mild reaction conditions. The detritylation process could successfully be extended to several hydroxy, alkoxy and amino functionalised trityl ethers. This methodology represents a new and efficient detritylation procedure under non-acidic reaction conditions.
Yus, Miguel,Behloul, Cherif,Guijarro, David
p. 2179 - 2184
(2007/10/03)
Low-valent titanium mediated reductive cleavage of O/N-trityl bonds via free radical pathway
Low-valent titanium mediated cleavage of trityl-O/N bonds in trityl ethers/amines via electron transfer process is reported. Chemoselective deprotection of trityl ethers in preference to benzyl ethers is achieved. The ease of cleavage of protected alcohols and amines is in the order O-allyl > O-trityl > O-benzyl; N-trityl > O-trityl bonds.
Rele, Shyam,Nayak, Sandip K.
p. 3533 - 3540
(2007/10/03)
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