tert-Butyl 2,6-diazaspiro[3.3]heptane-2-carboxylate oxalate(2:1)

• CAT Number: L033178
• CAS Number: 1041026-71-4
• Molecular Formula: C22H38N4O8
• Molecular Weight: 486.61
• Purity: ≥95%
• IUPAC Name: tert-butyl 2,6-diazaspiro[3.3]heptane-2-carboxylate;oxalic acid
• InChI: InChI=1S/2C10H18N2O2.C2H2O4/c2*1-9(2,3)14-8(13)12-6-10(7-12)4-11-5-10;3-1(4)2(5)6/h2*11H,4-7H2,1-3H3;(H,3,4)(H,5,6)
• InChIKey: PYRAMVPOMDHTNX-UHFFFAOYSA-N
• SMILES: CC(C)(C)OC(=O)N1CC2(C1)CNC2.CC(C)(C)OC(=O)N1CC2(C1)CNC2.C(=O)(C(=O)O)O

tert-Butyl 2,6-diazaspiro[3.3]heptane-2-carboxylate oxalate(CAT: L033178) is a spirocyclic compound featuring a rigid 2,6-diazaspiro[3.3]heptane core functionalized with a tert-butyl ester and supplied as an oxalate salt for enhanced stability and crystallinity. The unique spirocyclic structure imparts conformational rigidity, making it highly attractive in medicinal chemistry for improving target binding specificity and metabolic resistance. The molecule serves as a versatile intermediate in the synthesis of drug-like scaffolds, including CNS-active agents and enzyme inhibitors. Its dual nitrogen heterocycles and ester functionality support further derivatization through N-alkylation, acylation, or ester hydrolysis, aiding in structure–activity relationship (SAR) exploration and lead compound optimization.