✦ LIBER ✦

O-Methoxycarbonyl Cyanohydrin as a New Protective Group for Carbonyls

✍ Scribed by David Berthiaume; Donald Poirier

Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 165 KB
Volume: 56
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(00)00535-4

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: O-Methoxycarbonyl C

ChemInform Abstract: O-Methoxycarbonyl Cyanohydrin as a New Protective Group for Carbonyls.

✍ David Berthiaume; Donald Poirier 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 37 KB 👁 2 views

ChemInform Abstract: Unexpected Formatio

ChemInform Abstract: Unexpected Formation of O-Methoxycarbonyl Cyanohydrin Showing Potential as a Protective Group of Ketones.

✍ Donald Poirier; David Berthiaume; Roch P. Boivin 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 29 KB 👁 1 views

Unexpected Formation of O-Methoxycarbonyl Cyanohydrin Showing Potential as a Protective Group of Ketones. -Methyl cyanoformate (II) readily reacts with ketones (I) and (IV) in the presence of an amine base to yield O-methoxycarbonyl cyanohydrins. As easy hydrolysis of these cyanohydrins [cf. (V)] w

A new protecting group for the carbonyl

A new protecting group for the carbonyl function

✍ E.J. Corey; E.J. Trybulski; J. William Suggs 📂 Article 📅 1976 🏛 Elsevier Science 🌐 French ⚖ 201 KB

During the course of various synthetic projects under study in these Laboratories we have had occasion to devise and apply a number of new methods for the protection of hydroxyl' , carbony and la&one' functions. 4 We now wish to report some recent results on the protection of aldehydes and ketones

Nin-cyclohexyloxycarbonyl group as a new

Nin-cyclohexyloxycarbonyl group as a new protecting group for tryptophan

✍ Yuji Nishiuchi; Hideki Nishio; Tatsuya Inui; Terutoshi Kimura; Shumpei Sakakibar 📂 Article 📅 1996 🏛 Elsevier Science 🌐 French ⚖ 232 KB

O-allyl ether as a new protective group

O-allyl ether as a new protective group for oximes and its palladium-catalyzed deprotection

✍ Toshiro Yamada; Kuniaki Goto; Yasuhiro Mitsuda; Jiro Tsuji 📂 Article 📅 1987 🏛 Elsevier Science 🌐 French ⚖ 242 KB

Oximes are protected by O-ally1 ether formation, and their palladium-catalyzed deallylation using triethylammonium formate as a reductant proceeds smoothly in boiling ethanol under mild conditions offering a good protective method for oximes. Oxime formation offers a good protection for carbonyl gr

(Butylthio)carbonyl Group: A New Protect

(Butylthio)carbonyl Group: A New Protecting Group for the Guanine Residue in Oligoribonucleotide Synthesis

✍ Masayo Fujii; Shunichi Yamakage; Hiroshi Takaku; Tsujiaki Hata 📂 Article 📅 1987 🏛 Elsevier Science 🌐 French ⚖ 281 KB

The protection of the 06-amide and N2-amino groups of guanosine with the (butylthio)carbonyl group is described. This group could be rapidly introduced in good yields and removed very easily under the conventional deprotective condition for the exo-amino acyl groups of other nucleoside bases.