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An Improved Strategy for the Chemical Synthesis of 3′,5′‐Cyclic Diguanylic Acid

Journal Article · · Current Protocols in Nucleic Acid Chemistry
DOI:https://doi.org/10.1002/cpnc.84· OSTI ID:1506162
 [1];  [1];  [1];  [2];  [1]
  1. Laboratory of Biological Chemistry, Food and Drug Administration Silver Spring Maryland
  2. ChemGenes Corporation Wilmington Massachusetts

Abstract

The physiological functions of c‐di‐GMP and its involvement in many key processes led to its recognition as a major and ubiquitous bacterial second messenger. Aside from being a bacterial signaling molecule, c‐di‐GMP is also an immunostimulatory molecule capable of inducing innate and adaptive immune responses through maturation of immune mammalian cells. Given the broad biological functions of c‐di‐GMP and its potential applications as a nucleic‐acid‐based drug, the chemical synthesis of c‐di‐GMP has drawn considerable interest. An improved phosphoramidite approach to the synthesis of c‐di‐GMP is reported herein. The synthetic approach is based on the use of a 5′‐ O ‐formyl protecting group, which can be rapidly and chemoselectively cleaved from a key dinucleotide phosphoramidite intermediate to enable a cyclocondensation reaction leading to a fully protected c‐di‐GMP product in a yield ∼80%. The native c‐di‐GMP is isolated, after complete deprotection, in an overall yield of 36% based on the commercial ribonucleoside used as starting material. © 2019 by John Wiley & Sons, Inc.

Sponsoring Organization:
USDOE
OSTI ID:
1506162
Journal Information:
Current Protocols in Nucleic Acid Chemistry, Journal Name: Current Protocols in Nucleic Acid Chemistry Journal Issue: 1 Vol. 77; ISSN 1934-9270
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Country unknown/Code not available
Language:
English

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