tert-Butyl carbazate → tert-Butyl 2-(dihydro-2H-pyran-4(3H)-ylidene)hydrazinecarboxylate

HRID 1874085

Reaction equation

HRID 1874085 reaction equation
[O:1]1[CH2:6][CH2:5][C:4](=O)[CH2:3][CH2:2]1.[C:8]([O:12][C:13](=[O:16])[NH:14][NH2:15])([CH3:11])([CH3:10])[CH3:9]>>[C:8]([O:12][C:13]([NH:14][N:15]=[C:4]1[CH2:5][CH2:6][O:1][CH2:2][CH2:3]1)=[O:16])([CH3:11])([CH3:10])[CH3:9]

Participants

3

Reactant 2

HCID 70091tert-Butyl carbazateHCID 121599Tetrahydro-4H-pyran-4-one

Product 1

HCID 67020854tert-Butyl 2-(dihydro-2H-pyran-4(3H)-ylidene)hydrazinecarboxylate

Procedure

B-22a was prepared analogously to B-19a starting from tetrahydro-4H-pyran-4-one (923 μL, 9.99 mmol) and tert-butylcarbazate (1.32 g, 9.99 mmol). Yield: 2.15 g.

Workup

  1. customB-22a was prepared analogously to B-19a

Sources & evidence

ORD record
ord-cf7565b56976401893de50b8aa10aee6
Source dataset
uspto-grants-2012_11
Patent number
US08304556B2

Linked notes

Loading…